Home / 272,124.07-408,178.59-72,446.19

Finding the Fourth Proportional to 272,124.07, 408,178.59 and 72,446.19

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Solution

The fourth proportional to 272,124.07, 408,178.59 and 72,446.19 is: 108,667.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,124.07 : 408,178.59 = 72,446.19 : x
  2. Step 2: Convert to fraction form
    272,124.07/408,178.59 = 72,446.19/x
  3. Step 3: Cross multiply
    272,124.07x = 408,178.59 × 72,446.19
  4. Step 4: Simplify right side
    272,124.07x = 29,570,981,882.73
  5. Step 5: Solve for x
    x = 29,570,981,882.73/272,124.07
  6. Step 6: Final answer
    x = 108,667.28

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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.