Home / 145,336.66-218,002.82-40,153.30

Finding the Fourth Proportional to 145,336.66, 218,002.82 and 40,153.30

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Solution

The fourth proportional to 145,336.66, 218,002.82 and 40,153.30 is: 60,229.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,336.66 : 218,002.82 = 40,153.30 : x
  2. Step 2: Convert to fraction form
    145,336.66/218,002.82 = 40,153.30/x
  3. Step 3: Cross multiply
    145,336.66x = 218,002.82 × 40,153.30
  4. Step 4: Simplify right side
    145,336.66x = 8,753,532,632.31
  5. Step 5: Solve for x
    x = 8,753,532,632.31/145,336.66
  6. Step 6: Final answer
    x = 60,229.35

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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.