Home / 151,753.10-227,629.65-81,769.10

Finding the Fourth Proportional to 151,753.10, 227,629.65 and 81,769.10

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Solution

The fourth proportional to 151,753.10, 227,629.65 and 81,769.10 is: 122,653.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,753.10 : 227,629.65 = 81,769.10 : x
  2. Step 2: Convert to fraction form
    151,753.10/227,629.65 = 81,769.10/x
  3. Step 3: Cross multiply
    151,753.10x = 227,629.65 × 81,769.10
  4. Step 4: Simplify right side
    151,753.10x = 18,613,071,613.82
  5. Step 5: Solve for x
    x = 18,613,071,613.82/151,753.10
  6. Step 6: Final answer
    x = 122,653.65

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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.