Home / 140,917.27-194,464.65-77,254.92

Finding the Fourth Proportional to 140,917.27, 194,464.65 and 77,254.92

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Solution

The fourth proportional to 140,917.27, 194,464.65 and 77,254.92 is: 106,611.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,917.27 : 194,464.65 = 77,254.92 : x
  2. Step 2: Convert to fraction form
    140,917.27/194,464.65 = 77,254.92/x
  3. Step 3: Cross multiply
    140,917.27x = 194,464.65 × 77,254.92
  4. Step 4: Simplify right side
    140,917.27x = 15,023,350,978.58
  5. Step 5: Solve for x
    x = 15,023,350,978.58/140,917.27
  6. Step 6: Final answer
    x = 106,611.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.