Home / 108,064.17-161,959.91-54,769.55

Finding the Fourth Proportional to 108,064.17, 161,959.91 and 54,769.55

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Solution

The fourth proportional to 108,064.17, 161,959.91 and 54,769.55 is: 82,085.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,064.17 : 161,959.91 = 54,769.55 : x
  2. Step 2: Convert to fraction form
    108,064.17/161,959.91 = 54,769.55/x
  3. Step 3: Cross multiply
    108,064.17x = 161,959.91 × 54,769.55
  4. Step 4: Simplify right side
    108,064.17x = 8,870,470,305.09
  5. Step 5: Solve for x
    x = 8,870,470,305.09/108,064.17
  6. Step 6: Final answer
    x = 82,085.21

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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.