Home / 121,656.20-182,360.10-82,217.30

Finding the Fourth Proportional to 121,656.20, 182,360.10 and 82,217.30

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Solution

The fourth proportional to 121,656.20, 182,360.10 and 82,217.30 is: 123,242.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,656.20 : 182,360.10 = 82,217.30 : x
  2. Step 2: Convert to fraction form
    121,656.20/182,360.10 = 82,217.30/x
  3. Step 3: Cross multiply
    121,656.20x = 182,360.10 × 82,217.30
  4. Step 4: Simplify right side
    121,656.20x = 14,993,155,049.73
  5. Step 5: Solve for x
    x = 14,993,155,049.73/121,656.20
  6. Step 6: Final answer
    x = 123,242.01

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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.