Home / 177,988.48-267,012.24-84,443.20

Finding the Fourth Proportional to 177,988.48, 267,012.24 and 84,443.20

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Solution

The fourth proportional to 177,988.48, 267,012.24 and 84,443.20 is: 126,678.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,988.48 : 267,012.24 = 84,443.20 : x
  2. Step 2: Convert to fraction form
    177,988.48/267,012.24 = 84,443.20/x
  3. Step 3: Cross multiply
    177,988.48x = 267,012.24 × 84,443.20
  4. Step 4: Simplify right side
    177,988.48x = 22,547,367,984.77
  5. Step 5: Solve for x
    x = 22,547,367,984.77/177,988.48
  6. Step 6: Final answer
    x = 126,678.81

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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.