Home / 151,840.40-227,965.80-88,725.20

Finding the Fourth Proportional to 151,840.40, 227,965.80 and 88,725.20

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Solution

The fourth proportional to 151,840.40, 227,965.80 and 88,725.20 is: 133,207.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,840.40 : 227,965.80 = 88,725.20 : x
  2. Step 2: Convert to fraction form
    151,840.40/227,965.80 = 88,725.20/x
  3. Step 3: Cross multiply
    151,840.40x = 227,965.80 × 88,725.20
  4. Step 4: Simplify right side
    151,840.40x = 20,226,311,198.16
  5. Step 5: Solve for x
    x = 20,226,311,198.16/151,840.40
  6. Step 6: Final answer
    x = 133,207.70

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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.