Home / 82,230.38-123,346.18-19,900.88

Finding the Fourth Proportional to 82,230.38, 123,346.18 and 19,900.88

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Solution

The fourth proportional to 82,230.38, 123,346.18 and 19,900.88 is: 29,851.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,230.38 : 123,346.18 = 19,900.88 : x
  2. Step 2: Convert to fraction form
    82,230.38/123,346.18 = 19,900.88/x
  3. Step 3: Cross multiply
    82,230.38x = 123,346.18 × 19,900.88
  4. Step 4: Simplify right side
    82,230.38x = 2,454,697,526.64
  5. Step 5: Solve for x
    x = 2,454,697,526.64/82,230.38
  6. Step 6: Final answer
    x = 29,851.47

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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.