Home / 152,077.20-227,928.96-85,377.48

Finding the Fourth Proportional to 152,077.20, 227,928.96 and 85,377.48

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Solution

The fourth proportional to 152,077.20, 227,928.96 and 85,377.48 is: 127,961.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,077.20 : 227,928.96 = 85,377.48 : x
  2. Step 2: Convert to fraction form
    152,077.20/227,928.96 = 85,377.48/x
  3. Step 3: Cross multiply
    152,077.20x = 227,928.96 × 85,377.48
  4. Step 4: Simplify right side
    152,077.20x = 19,460,000,223.82
  5. Step 5: Solve for x
    x = 19,460,000,223.82/152,077.20
  6. Step 6: Final answer
    x = 127,961.33

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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.