Home / 92,684.18-138,694.10-80,247.13

Finding the Fourth Proportional to 92,684.18, 138,694.10 and 80,247.13

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Solution

The fourth proportional to 92,684.18, 138,694.10 and 80,247.13 is: 120,083.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,684.18 : 138,694.10 = 80,247.13 : x
  2. Step 2: Convert to fraction form
    92,684.18/138,694.10 = 80,247.13/x
  3. Step 3: Cross multiply
    92,684.18x = 138,694.10 × 80,247.13
  4. Step 4: Simplify right side
    92,684.18x = 11,129,802,724.96
  5. Step 5: Solve for x
    x = 11,129,802,724.96/92,684.18
  6. Step 6: Final answer
    x = 120,083.09

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1.5x scale

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.