Home / 187,931.34-281,869.62-54,775.83

Finding the Fourth Proportional to 187,931.34, 281,869.62 and 54,775.83

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Solution

The fourth proportional to 187,931.34, 281,869.62 and 54,775.83 is: 82,155.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,931.34 : 281,869.62 = 54,775.83 : x
  2. Step 2: Convert to fraction form
    187,931.34/281,869.62 = 54,775.83/x
  3. Step 3: Cross multiply
    187,931.34x = 281,869.62 × 54,775.83
  4. Step 4: Simplify right side
    187,931.34x = 15,439,642,387.28
  5. Step 5: Solve for x
    x = 15,439,642,387.28/187,931.34
  6. Step 6: Final answer
    x = 82,155.76

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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.