Home / 177,330.60-266,007.90-72,151.40

Finding the Fourth Proportional to 177,330.60, 266,007.90 and 72,151.40

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Solution

The fourth proportional to 177,330.60, 266,007.90 and 72,151.40 is: 108,231.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,330.60 : 266,007.90 = 72,151.40 : x
  2. Step 2: Convert to fraction form
    177,330.60/266,007.90 = 72,151.40/x
  3. Step 3: Cross multiply
    177,330.60x = 266,007.90 × 72,151.40
  4. Step 4: Simplify right side
    177,330.60x = 19,192,842,396.06
  5. Step 5: Solve for x
    x = 19,192,842,396.06/177,330.60
  6. Step 6: Final answer
    x = 108,231.98

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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.