Home / 226,088.91-312,006.78-124,123.95

Finding the Fourth Proportional to 226,088.91, 312,006.78 and 124,123.95

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Solution

The fourth proportional to 226,088.91, 312,006.78 and 124,123.95 is: 171,293.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,088.91 : 312,006.78 = 124,123.95 : x
  2. Step 2: Convert to fraction form
    226,088.91/312,006.78 = 124,123.95/x
  3. Step 3: Cross multiply
    226,088.91x = 312,006.78 × 124,123.95
  4. Step 4: Simplify right side
    226,088.91x = 38,727,513,960.38
  5. Step 5: Solve for x
    x = 38,727,513,960.38/226,088.91
  6. Step 6: Final answer
    x = 171,293.29

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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.