Home / 133,248.18-183,882.96-72,819.75

Finding the Fourth Proportional to 133,248.18, 183,882.96 and 72,819.75

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Solution

The fourth proportional to 133,248.18, 183,882.96 and 72,819.75 is: 100,491.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,248.18 : 183,882.96 = 72,819.75 : x
  2. Step 2: Convert to fraction form
    133,248.18/183,882.96 = 72,819.75/x
  3. Step 3: Cross multiply
    133,248.18x = 183,882.96 × 72,819.75
  4. Step 4: Simplify right side
    133,248.18x = 13,390,311,176.46
  5. Step 5: Solve for x
    x = 13,390,311,176.46/133,248.18
  6. Step 6: Final answer
    x = 100,491.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.