Home / 80,264.16-120,397.56-30,367.74

Finding the Fourth Proportional to 80,264.16, 120,397.56 and 30,367.74

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Solution

The fourth proportional to 80,264.16, 120,397.56 and 30,367.74 is: 45,552.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,264.16 : 120,397.56 = 30,367.74 : x
  2. Step 2: Convert to fraction form
    80,264.16/120,397.56 = 30,367.74/x
  3. Step 3: Cross multiply
    80,264.16x = 120,397.56 × 30,367.74
  4. Step 4: Simplify right side
    80,264.16x = 3,656,201,798.71
  5. Step 5: Solve for x
    x = 3,656,201,798.71/80,264.16
  6. Step 6: Final answer
    x = 45,552.11

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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.