Home / 187,671.15-281,508.54-47,429.76

Finding the Fourth Proportional to 187,671.15, 281,508.54 and 47,429.76

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Solution

The fourth proportional to 187,671.15, 281,508.54 and 47,429.76 is: 71,145.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,671.15 : 281,508.54 = 47,429.76 : x
  2. Step 2: Convert to fraction form
    187,671.15/281,508.54 = 47,429.76/x
  3. Step 3: Cross multiply
    187,671.15x = 281,508.54 × 47,429.76
  4. Step 4: Simplify right side
    187,671.15x = 13,351,882,490.15
  5. Step 5: Solve for x
    x = 13,351,882,490.15/187,671.15
  6. Step 6: Final answer
    x = 71,145.10

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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.