Home / 145,456.42-218,184.27-40,275.04

Finding the Fourth Proportional to 145,456.42, 218,184.27 and 40,275.04

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Solution

The fourth proportional to 145,456.42, 218,184.27 and 40,275.04 is: 60,412.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,456.42 : 218,184.27 = 40,275.04 : x
  2. Step 2: Convert to fraction form
    145,456.42/218,184.27 = 40,275.04/x
  3. Step 3: Cross multiply
    145,456.42x = 218,184.27 × 40,275.04
  4. Step 4: Simplify right side
    145,456.42x = 8,787,380,201.62
  5. Step 5: Solve for x
    x = 8,787,380,201.62/145,456.42
  6. Step 6: Final answer
    x = 60,412.46

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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.