Home / 158,872.21-238,308.12-40,543.55

Finding the Fourth Proportional to 158,872.21, 238,308.12 and 40,543.55

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Solution

The fourth proportional to 158,872.21, 238,308.12 and 40,543.55 is: 60,815.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,872.21 : 238,308.12 = 40,543.55 : x
  2. Step 2: Convert to fraction form
    158,872.21/238,308.12 = 40,543.55/x
  3. Step 3: Cross multiply
    158,872.21x = 238,308.12 × 40,543.55
  4. Step 4: Simplify right side
    158,872.21x = 9,661,858,107.20
  5. Step 5: Solve for x
    x = 9,661,858,107.20/158,872.21
  6. Step 6: Final answer
    x = 60,815.28

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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.