Home / 189,470.43-261,513.02-124,951.30

Finding the Fourth Proportional to 189,470.43, 261,513.02 and 124,951.30

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Solution

The fourth proportional to 189,470.43, 261,513.02 and 124,951.30 is: 172,461.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,470.43 : 261,513.02 = 124,951.30 : x
  2. Step 2: Convert to fraction form
    189,470.43/261,513.02 = 124,951.30/x
  3. Step 3: Cross multiply
    189,470.43x = 261,513.02 × 124,951.30
  4. Step 4: Simplify right side
    189,470.43x = 32,676,391,815.93
  5. Step 5: Solve for x
    x = 32,676,391,815.93/189,470.43
  6. Step 6: Final answer
    x = 172,461.70

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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.