Home / 125,514.30-187,882.65-72,767.10

Finding the Fourth Proportional to 125,514.30, 187,882.65 and 72,767.10

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Solution

The fourth proportional to 125,514.30, 187,882.65 and 72,767.10 is: 108,925.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,514.30 : 187,882.65 = 72,767.10 : x
  2. Step 2: Convert to fraction form
    125,514.30/187,882.65 = 72,767.10/x
  3. Step 3: Cross multiply
    125,514.30x = 187,882.65 × 72,767.10
  4. Step 4: Simplify right side
    125,514.30x = 13,671,675,580.82
  5. Step 5: Solve for x
    x = 13,671,675,580.82/125,514.30
  6. Step 6: Final answer
    x = 108,925.24

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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.