Home / 92,378.40-138,555.66-29,204.88

Finding the Fourth Proportional to 92,378.40, 138,555.66 and 29,204.88

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Solution

The fourth proportional to 92,378.40, 138,555.66 and 29,204.88 is: 43,803.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,378.40 : 138,555.66 = 29,204.88 : x
  2. Step 2: Convert to fraction form
    92,378.40/138,555.66 = 29,204.88/x
  3. Step 3: Cross multiply
    92,378.40x = 138,555.66 × 29,204.88
  4. Step 4: Simplify right side
    92,378.40x = 4,046,501,423.62
  5. Step 5: Solve for x
    x = 4,046,501,423.62/92,378.40
  6. Step 6: Final answer
    x = 43,803.55

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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.