Home / 125,151.56-187,747.80-40,887.26

Finding the Fourth Proportional to 125,151.56, 187,747.80 and 40,887.26

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Solution

The fourth proportional to 125,151.56, 187,747.80 and 40,887.26 is: 61,337.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,151.56 : 187,747.80 = 40,887.26 : x
  2. Step 2: Convert to fraction form
    125,151.56/187,747.80 = 40,887.26/x
  3. Step 3: Cross multiply
    125,151.56x = 187,747.80 × 40,887.26
  4. Step 4: Simplify right side
    125,151.56x = 7,676,493,113.03
  5. Step 5: Solve for x
    x = 7,676,493,113.03/125,151.56
  6. Step 6: Final answer
    x = 61,337.57

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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.