Home / 120,844.90-181,332.15-50,731.30

Finding the Fourth Proportional to 120,844.90, 181,332.15 and 50,731.30

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Solution

The fourth proportional to 120,844.90, 181,332.15 and 50,731.30 is: 76,124.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,844.90 : 181,332.15 = 50,731.30 : x
  2. Step 2: Convert to fraction form
    120,844.90/181,332.15 = 50,731.30/x
  3. Step 3: Cross multiply
    120,844.90x = 181,332.15 × 50,731.30
  4. Step 4: Simplify right side
    120,844.90x = 9,199,215,701.30
  5. Step 5: Solve for x
    x = 9,199,215,701.30/120,844.90
  6. Step 6: Final answer
    x = 76,124.15

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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.