Home / 131,332.32-181,245.60-74,761.92

Finding the Fourth Proportional to 131,332.32, 181,245.60 and 74,761.92

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Solution

The fourth proportional to 131,332.32, 181,245.60 and 74,761.92 is: 103,175.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,332.32 : 181,245.60 = 74,761.92 : x
  2. Step 2: Convert to fraction form
    131,332.32/181,245.60 = 74,761.92/x
  3. Step 3: Cross multiply
    131,332.32x = 181,245.60 × 74,761.92
  4. Step 4: Simplify right side
    131,332.32x = 13,550,269,047.55
  5. Step 5: Solve for x
    x = 13,550,269,047.55/131,332.32
  6. Step 6: Final answer
    x = 103,175.43

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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.