Home / 226,612.02-312,732.18-124,641.78

Finding the Fourth Proportional to 226,612.02, 312,732.18 and 124,641.78

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Solution

The fourth proportional to 226,612.02, 312,732.18 and 124,641.78 is: 172,009.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,612.02 : 312,732.18 = 124,641.78 : x
  2. Step 2: Convert to fraction form
    226,612.02/312,732.18 = 124,641.78/x
  3. Step 3: Cross multiply
    226,612.02x = 312,732.18 × 124,641.78
  4. Step 4: Simplify right side
    226,612.02x = 38,979,495,578.48
  5. Step 5: Solve for x
    x = 38,979,495,578.48/226,612.02
  6. Step 6: Final answer
    x = 172,009.83

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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.