Home / 181,426.10-272,045.39-81,500.85

Finding the Fourth Proportional to 181,426.10, 272,045.39 and 81,500.85

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Solution

The fourth proportional to 181,426.10, 272,045.39 and 81,500.85 is: 122,209.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,426.10 : 272,045.39 = 81,500.85 : x
  2. Step 2: Convert to fraction form
    181,426.10/272,045.39 = 81,500.85/x
  3. Step 3: Cross multiply
    181,426.10x = 272,045.39 × 81,500.85
  4. Step 4: Simplify right side
    181,426.10x = 22,171,930,116.08
  5. Step 5: Solve for x
    x = 22,171,930,116.08/181,426.10
  6. Step 6: Final answer
    x = 122,209.16

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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.