Home / 108,248.72-149,286.42-67,966.20

Finding the Fourth Proportional to 108,248.72, 149,286.42 and 67,966.20

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Solution

The fourth proportional to 108,248.72, 149,286.42 and 67,966.20 is: 93,732.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,248.72 : 149,286.42 = 67,966.20 : x
  2. Step 2: Convert to fraction form
    108,248.72/149,286.42 = 67,966.20/x
  3. Step 3: Cross multiply
    108,248.72x = 149,286.42 × 67,966.20
  4. Step 4: Simplify right side
    108,248.72x = 10,146,430,679.00
  5. Step 5: Solve for x
    x = 10,146,430,679.00/108,248.72
  6. Step 6: Final answer
    x = 93,732.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.