Home / 145,327.76-217,967.03-40,147.03

Finding the Fourth Proportional to 145,327.76, 217,967.03 and 40,147.03

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Solution

The fourth proportional to 145,327.76, 217,967.03 and 40,147.03 is: 60,213.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,327.76 : 217,967.03 = 40,147.03 : x
  2. Step 2: Convert to fraction form
    145,327.76/217,967.03 = 40,147.03/x
  3. Step 3: Cross multiply
    145,327.76x = 217,967.03 × 40,147.03
  4. Step 4: Simplify right side
    145,327.76x = 8,750,728,892.42
  5. Step 5: Solve for x
    x = 8,750,728,892.42/145,327.76
  6. Step 6: Final answer
    x = 60,213.75

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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.