Home / 92,117.13-138,175.20-79,599.09

Finding the Fourth Proportional to 92,117.13, 138,175.20 and 79,599.09

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Solution

The fourth proportional to 92,117.13, 138,175.20 and 79,599.09 is: 119,398.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,117.13 : 138,175.20 = 79,599.09 : x
  2. Step 2: Convert to fraction form
    92,117.13/138,175.20 = 79,599.09/x
  3. Step 3: Cross multiply
    92,117.13x = 138,175.20 × 79,599.09
  4. Step 4: Simplify right side
    92,117.13x = 10,998,620,180.57
  5. Step 5: Solve for x
    x = 10,998,620,180.57/92,117.13
  6. Step 6: Final answer
    x = 119,398.21

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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.