Home / 102,081.84-153,122.76-31,966.62

Finding the Fourth Proportional to 102,081.84, 153,122.76 and 31,966.62

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Solution

The fourth proportional to 102,081.84, 153,122.76 and 31,966.62 is: 47,949.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,081.84 : 153,122.76 = 31,966.62 : x
  2. Step 2: Convert to fraction form
    102,081.84/153,122.76 = 31,966.62/x
  3. Step 3: Cross multiply
    102,081.84x = 153,122.76 × 31,966.62
  4. Step 4: Simplify right side
    102,081.84x = 4,894,817,082.27
  5. Step 5: Solve for x
    x = 4,894,817,082.27/102,081.84
  6. Step 6: Final answer
    x = 47,949.93

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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.