Home / 125,322.65-187,991.53-50,442.47

Finding the Fourth Proportional to 125,322.65, 187,991.53 and 50,442.47

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Solution

The fourth proportional to 125,322.65, 187,991.53 and 50,442.47 is: 75,666.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,322.65 : 187,991.53 = 50,442.47 : x
  2. Step 2: Convert to fraction form
    125,322.65/187,991.53 = 50,442.47/x
  3. Step 3: Cross multiply
    125,322.65x = 187,991.53 × 50,442.47
  4. Step 4: Simplify right side
    125,322.65x = 9,482,755,920.11
  5. Step 5: Solve for x
    x = 9,482,755,920.11/125,322.65
  6. Step 6: Final answer
    x = 75,666.74

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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.