Home / 249,510.74-344,324.48-142,080.76

Finding the Fourth Proportional to 249,510.74, 344,324.48 and 142,080.76

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Solution

The fourth proportional to 249,510.74, 344,324.48 and 142,080.76 is: 196,071.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,510.74 : 344,324.48 = 142,080.76 : x
  2. Step 2: Convert to fraction form
    249,510.74/344,324.48 = 142,080.76/x
  3. Step 3: Cross multiply
    249,510.74x = 344,324.48 × 142,080.76
  4. Step 4: Simplify right side
    249,510.74x = 48,921,883,805.00
  5. Step 5: Solve for x
    x = 48,921,883,805.00/249,510.74
  6. Step 6: Final answer
    x = 196,071.25

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.