Home / 249,549.89-344,339.03-142,121.93

Finding the Fourth Proportional to 249,549.89, 344,339.03 and 142,121.93

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Solution

The fourth proportional to 249,549.89, 344,339.03 and 142,121.93 is: 196,105.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,549.89 : 344,339.03 = 142,121.93 : x
  2. Step 2: Convert to fraction form
    249,549.89/344,339.03 = 142,121.93/x
  3. Step 3: Cross multiply
    249,549.89x = 344,339.03 × 142,121.93
  4. Step 4: Simplify right side
    249,549.89x = 48,938,126,151.54
  5. Step 5: Solve for x
    x = 48,938,126,151.54/249,549.89
  6. Step 6: Final answer
    x = 196,105.58

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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.