Home / 80,186.95-120,307.14-26,884.20

Finding the Fourth Proportional to 80,186.95, 120,307.14 and 26,884.20

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Solution

The fourth proportional to 80,186.95, 120,307.14 and 26,884.20 is: 40,335.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,186.95 : 120,307.14 = 26,884.20 : x
  2. Step 2: Convert to fraction form
    80,186.95/120,307.14 = 26,884.20/x
  3. Step 3: Cross multiply
    80,186.95x = 120,307.14 × 26,884.20
  4. Step 4: Simplify right side
    80,186.95x = 3,234,361,664.34
  5. Step 5: Solve for x
    x = 3,234,361,664.34/80,186.95
  6. Step 6: Final answer
    x = 40,335.26

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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.