Home / 261,741.66-392,729.13-137,053.50

Finding the Fourth Proportional to 261,741.66, 392,729.13 and 137,053.50

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Solution

The fourth proportional to 261,741.66, 392,729.13 and 137,053.50 is: 205,641.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,741.66 : 392,729.13 = 137,053.50 : x
  2. Step 2: Convert to fraction form
    261,741.66/392,729.13 = 137,053.50/x
  3. Step 3: Cross multiply
    261,741.66x = 392,729.13 × 137,053.50
  4. Step 4: Simplify right side
    261,741.66x = 53,824,901,818.46
  5. Step 5: Solve for x
    x = 53,824,901,818.46/261,741.66
  6. Step 6: Final answer
    x = 205,641.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.