Home / 187,427.60-281,141.40-54,312.20

Finding the Fourth Proportional to 187,427.60, 281,141.40 and 54,312.20

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Solution

The fourth proportional to 187,427.60, 281,141.40 and 54,312.20 is: 81,468.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,427.60 : 281,141.40 = 54,312.20 : x
  2. Step 2: Convert to fraction form
    187,427.60/281,141.40 = 54,312.20/x
  3. Step 3: Cross multiply
    187,427.60x = 281,141.40 × 54,312.20
  4. Step 4: Simplify right side
    187,427.60x = 15,269,407,945.08
  5. Step 5: Solve for x
    x = 15,269,407,945.08/187,427.60
  6. Step 6: Final answer
    x = 81,468.30

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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.