Home / 145,422.53-218,138.65-40,232.69

Finding the Fourth Proportional to 145,422.53, 218,138.65 and 40,232.69

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Solution

The fourth proportional to 145,422.53, 218,138.65 and 40,232.69 is: 60,350.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,422.53 : 218,138.65 = 40,232.69 : x
  2. Step 2: Convert to fraction form
    145,422.53/218,138.65 = 40,232.69/x
  3. Step 3: Cross multiply
    145,422.53x = 218,138.65 × 40,232.69
  4. Step 4: Simplify right side
    145,422.53x = 8,776,304,682.47
  5. Step 5: Solve for x
    x = 8,776,304,682.47/145,422.53
  6. Step 6: Final answer
    x = 60,350.38

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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.