Home / 145,750.38-218,659.05-75,614.10

Finding the Fourth Proportional to 145,750.38, 218,659.05 and 75,614.10

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Solution

The fourth proportional to 145,750.38, 218,659.05 and 75,614.10 is: 113,438.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,750.38 : 218,659.05 = 75,614.10 : x
  2. Step 2: Convert to fraction form
    145,750.38/218,659.05 = 75,614.10/x
  3. Step 3: Cross multiply
    145,750.38x = 218,659.05 × 75,614.10
  4. Step 4: Simplify right side
    145,750.38x = 16,533,707,272.61
  5. Step 5: Solve for x
    x = 16,533,707,272.61/145,750.38
  6. Step 6: Final answer
    x = 113,438.52

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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.