Home / 109,253.12-150,772.12-61,508.17

Finding the Fourth Proportional to 109,253.12, 150,772.12 and 61,508.17

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Solution

The fourth proportional to 109,253.12, 150,772.12 and 61,508.17 is: 84,882.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,253.12 : 150,772.12 = 61,508.17 : x
  2. Step 2: Convert to fraction form
    109,253.12/150,772.12 = 61,508.17/x
  3. Step 3: Cross multiply
    109,253.12x = 150,772.12 × 61,508.17
  4. Step 4: Simplify right side
    109,253.12x = 9,273,717,222.92
  5. Step 5: Solve for x
    x = 9,273,717,222.92/109,253.12
  6. Step 6: Final answer
    x = 84,882.86

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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.