Home / 145,445.80-218,167.90-40,264.04

Finding the Fourth Proportional to 145,445.80, 218,167.90 and 40,264.04

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Solution

The fourth proportional to 145,445.80, 218,167.90 and 40,264.04 is: 60,395.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,445.80 : 218,167.90 = 40,264.04 : x
  2. Step 2: Convert to fraction form
    145,445.80/218,167.90 = 40,264.04/x
  3. Step 3: Cross multiply
    145,445.80x = 218,167.90 × 40,264.04
  4. Step 4: Simplify right side
    145,445.80x = 8,784,321,052.32
  5. Step 5: Solve for x
    x = 8,784,321,052.32/145,445.80
  6. Step 6: Final answer
    x = 60,395.84

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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.