Home / 92,380.65-138,559.02-29,207.13

Finding the Fourth Proportional to 92,380.65, 138,559.02 and 29,207.13

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Solution

The fourth proportional to 92,380.65, 138,559.02 and 29,207.13 is: 43,806.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,380.65 : 138,559.02 = 29,207.13 : x
  2. Step 2: Convert to fraction form
    92,380.65/138,559.02 = 29,207.13/x
  3. Step 3: Cross multiply
    92,380.65x = 138,559.02 × 29,207.13
  4. Step 4: Simplify right side
    92,380.65x = 4,046,911,309.81
  5. Step 5: Solve for x
    x = 4,046,911,309.81/92,380.65
  6. Step 6: Final answer
    x = 43,806.92

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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.