Home / 187,405.44-281,108.18-54,285.76

Finding the Fourth Proportional to 187,405.44, 281,108.18 and 54,285.76

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Solution

The fourth proportional to 187,405.44, 281,108.18 and 54,285.76 is: 81,428.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,405.44 : 281,108.18 = 54,285.76 : x
  2. Step 2: Convert to fraction form
    187,405.44/281,108.18 = 54,285.76/x
  3. Step 3: Cross multiply
    187,405.44x = 281,108.18 × 54,285.76
  4. Step 4: Simplify right side
    187,405.44x = 15,260,171,193.52
  5. Step 5: Solve for x
    x = 15,260,171,193.52/187,405.44
  6. Step 6: Final answer
    x = 81,428.65

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1.5x scale

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.