Home / 254,921.20-382,432.88-142,760.96

Finding the Fourth Proportional to 254,921.20, 382,432.88 and 142,760.96

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Solution

The fourth proportional to 254,921.20, 382,432.88 and 142,760.96 is: 214,170.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,921.20 : 382,432.88 = 142,760.96 : x
  2. Step 2: Convert to fraction form
    254,921.20/382,432.88 = 142,760.96/x
  3. Step 3: Cross multiply
    254,921.20x = 382,432.88 × 142,760.96
  4. Step 4: Simplify right side
    254,921.20x = 54,596,485,084.36
  5. Step 5: Solve for x
    x = 54,596,485,084.36/254,921.20
  6. Step 6: Final answer
    x = 214,170.05

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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.