Home / 133,642.08-200,463.84-40,147.20

Finding the Fourth Proportional to 133,642.08, 200,463.84 and 40,147.20

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Solution

The fourth proportional to 133,642.08, 200,463.84 and 40,147.20 is: 60,221.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,642.08 : 200,463.84 = 40,147.20 : x
  2. Step 2: Convert to fraction form
    133,642.08/200,463.84 = 40,147.20/x
  3. Step 3: Cross multiply
    133,642.08x = 200,463.84 × 40,147.20
  4. Step 4: Simplify right side
    133,642.08x = 8,048,061,877.25
  5. Step 5: Solve for x
    x = 8,048,061,877.25/133,642.08
  6. Step 6: Final answer
    x = 60,221.02

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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.