Home / 187,220.10-280,830.15-54,104.70

Finding the Fourth Proportional to 187,220.10, 280,830.15 and 54,104.70

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Solution

The fourth proportional to 187,220.10, 280,830.15 and 54,104.70 is: 81,157.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,220.10 : 280,830.15 = 54,104.70 : x
  2. Step 2: Convert to fraction form
    187,220.10/280,830.15 = 54,104.70/x
  3. Step 3: Cross multiply
    187,220.10x = 280,830.15 × 54,104.70
  4. Step 4: Simplify right side
    187,220.10x = 15,194,231,016.71
  5. Step 5: Solve for x
    x = 15,194,231,016.71/187,220.10
  6. Step 6: Final answer
    x = 81,157.05

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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.