Home / 151,979.20-227,968.80-122,454.70

Finding the Fourth Proportional to 151,979.20, 227,968.80 and 122,454.70

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Solution

The fourth proportional to 151,979.20, 227,968.80 and 122,454.70 is: 183,682.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,979.20 : 227,968.80 = 122,454.70 : x
  2. Step 2: Convert to fraction form
    151,979.20/227,968.80 = 122,454.70/x
  3. Step 3: Cross multiply
    151,979.20x = 227,968.80 × 122,454.70
  4. Step 4: Simplify right side
    151,979.20x = 27,915,851,013.36
  5. Step 5: Solve for x
    x = 27,915,851,013.36/151,979.20
  6. Step 6: Final answer
    x = 183,682.05

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Similar ratio
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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.