Home / 131,526.70-181,524.62-74,177.81

Finding the Fourth Proportional to 131,526.70, 181,524.62 and 74,177.81

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Solution

The fourth proportional to 131,526.70, 181,524.62 and 74,177.81 is: 102,375.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,526.70 : 181,524.62 = 74,177.81 : x
  2. Step 2: Convert to fraction form
    131,526.70/181,524.62 = 74,177.81/x
  3. Step 3: Cross multiply
    131,526.70x = 181,524.62 × 74,177.81
  4. Step 4: Simplify right side
    131,526.70x = 13,465,098,772.68
  5. Step 5: Solve for x
    x = 13,465,098,772.68/131,526.70
  6. Step 6: Final answer
    x = 102,375.40

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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.