Home / 123,529.11-185,209.80-39,264

Finding the Fourth Proportional to 123,529.11, 185,209.80 and 39,264

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Solution

The fourth proportional to 123,529.11, 185,209.80 and 39,264 is: 58,869.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,529.11 : 185,209.80 = 39,264 : x
  2. Step 2: Convert to fraction form
    123,529.11/185,209.80 = 39,264/x
  3. Step 3: Cross multiply
    123,529.11x = 185,209.80 × 39,264
  4. Step 4: Simplify right side
    123,529.11x = 7,272,077,587.20
  5. Step 5: Solve for x
    x = 7,272,077,587.20/123,529.11
  6. Step 6: Final answer
    x = 58,869.34

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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.