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Finding the Fourth Proportional to 177,465.60, 266,121.60 and 72,249.60

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Solution

The fourth proportional to 177,465.60, 266,121.60 and 72,249.60 is: 108,343.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,465.60 : 266,121.60 = 72,249.60 : x
  2. Step 2: Convert to fraction form
    177,465.60/266,121.60 = 72,249.60/x
  3. Step 3: Cross multiply
    177,465.60x = 266,121.60 × 72,249.60
  4. Step 4: Simplify right side
    177,465.60x = 19,227,179,151.36
  5. Step 5: Solve for x
    x = 19,227,179,151.36/177,465.60
  6. Step 6: Final answer
    x = 108,343.13

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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.