Home / 249,659.64-344,531.34-142,234.20

Finding the Fourth Proportional to 249,659.64, 344,531.34 and 142,234.20

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Solution

The fourth proportional to 249,659.64, 344,531.34 and 142,234.20 is: 196,283.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,659.64 : 344,531.34 = 142,234.20 : x
  2. Step 2: Convert to fraction form
    249,659.64/344,531.34 = 142,234.20/x
  3. Step 3: Cross multiply
    249,659.64x = 344,531.34 × 142,234.20
  4. Step 4: Simplify right side
    249,659.64x = 49,004,139,519.83
  5. Step 5: Solve for x
    x = 49,004,139,519.83/249,659.64
  6. Step 6: Final answer
    x = 196,283.79

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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.