Home / 177,836.60-266,690.10-71,175.80

Finding the Fourth Proportional to 177,836.60, 266,690.10 and 71,175.80

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Solution

The fourth proportional to 177,836.60, 266,690.10 and 71,175.80 is: 106,737.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,836.60 : 266,690.10 = 71,175.80 : x
  2. Step 2: Convert to fraction form
    177,836.60/266,690.10 = 71,175.80/x
  3. Step 3: Cross multiply
    177,836.60x = 266,690.10 × 71,175.80
  4. Step 4: Simplify right side
    177,836.60x = 18,981,881,219.58
  5. Step 5: Solve for x
    x = 18,981,881,219.58/177,836.60
  6. Step 6: Final answer
    x = 106,737.77

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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.