Home / 82,158.22-123,219.53-26,002.89

Finding the Fourth Proportional to 82,158.22, 123,219.53 and 26,002.89

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Solution

The fourth proportional to 82,158.22, 123,219.53 and 26,002.89 is: 38,998.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,158.22 : 123,219.53 = 26,002.89 : x
  2. Step 2: Convert to fraction form
    82,158.22/123,219.53 = 26,002.89/x
  3. Step 3: Cross multiply
    82,158.22x = 123,219.53 × 26,002.89
  4. Step 4: Simplify right side
    82,158.22x = 3,204,063,851.94
  5. Step 5: Solve for x
    x = 3,204,063,851.94/82,158.22
  6. Step 6: Final answer
    x = 38,998.70

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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.