Home / 177,864.30-266,796.45-72,758.70

Finding the Fourth Proportional to 177,864.30, 266,796.45 and 72,758.70

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Solution

The fourth proportional to 177,864.30, 266,796.45 and 72,758.70 is: 109,138.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,864.30 : 266,796.45 = 72,758.70 : x
  2. Step 2: Convert to fraction form
    177,864.30/266,796.45 = 72,758.70/x
  3. Step 3: Cross multiply
    177,864.30x = 266,796.45 × 72,758.70
  4. Step 4: Simplify right side
    177,864.30x = 19,411,762,866.62
  5. Step 5: Solve for x
    x = 19,411,762,866.62/177,864.30
  6. Step 6: Final answer
    x = 109,138.05

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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.