Home / 151,151.30-227,136.16-81,080.90

Finding the Fourth Proportional to 151,151.30, 227,136.16 and 81,080.90

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Solution

The fourth proportional to 151,151.30, 227,136.16 and 81,080.90 is: 121,840.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,151.30 : 227,136.16 = 81,080.90 : x
  2. Step 2: Convert to fraction form
    151,151.30/227,136.16 = 81,080.90/x
  3. Step 3: Cross multiply
    151,151.30x = 227,136.16 × 81,080.90
  4. Step 4: Simplify right side
    151,151.30x = 18,416,404,275.34
  5. Step 5: Solve for x
    x = 18,416,404,275.34/151,151.30
  6. Step 6: Final answer
    x = 121,840.86

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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.