Home / 160,318.12-240,397.40-53,665

Finding the Fourth Proportional to 160,318.12, 240,397.40 and 53,665

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Solution

The fourth proportional to 160,318.12, 240,397.40 and 53,665 is: 80,470.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,318.12 : 240,397.40 = 53,665 : x
  2. Step 2: Convert to fraction form
    160,318.12/240,397.40 = 53,665/x
  3. Step 3: Cross multiply
    160,318.12x = 240,397.40 × 53,665
  4. Step 4: Simplify right side
    160,318.12x = 12,900,926,471
  5. Step 5: Solve for x
    x = 12,900,926,471/160,318.12
  6. Step 6: Final answer
    x = 80,470.79

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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.