Home / 187,313.28-281,117.52-82,204.80

Finding the Fourth Proportional to 187,313.28, 281,117.52 and 82,204.80

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Solution

The fourth proportional to 187,313.28, 281,117.52 and 82,204.80 is: 123,371.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,313.28 : 281,117.52 = 82,204.80 : x
  2. Step 2: Convert to fraction form
    187,313.28/281,117.52 = 82,204.80/x
  3. Step 3: Cross multiply
    187,313.28x = 281,117.52 × 82,204.80
  4. Step 4: Simplify right side
    187,313.28x = 23,109,209,508.10
  5. Step 5: Solve for x
    x = 23,109,209,508.10/187,313.28
  6. Step 6: Final answer
    x = 123,371.98

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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.