Home / 178,723.80-267,677.42-85,295.16

Finding the Fourth Proportional to 178,723.80, 267,677.42 and 85,295.16

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Solution

The fourth proportional to 178,723.80, 267,677.42 and 85,295.16 is: 127,747.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,723.80 : 267,677.42 = 85,295.16 : x
  2. Step 2: Convert to fraction form
    178,723.80/267,677.42 = 85,295.16/x
  3. Step 3: Cross multiply
    178,723.80x = 267,677.42 × 85,295.16
  4. Step 4: Simplify right side
    178,723.80x = 22,831,587,940.81
  5. Step 5: Solve for x
    x = 22,831,587,940.81/178,723.80
  6. Step 6: Final answer
    x = 127,747.89

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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.