Home / 231,149.22-318,962.16-158,614.32

Finding the Fourth Proportional to 231,149.22, 318,962.16 and 158,614.32

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Solution

The fourth proportional to 231,149.22, 318,962.16 and 158,614.32 is: 218,871.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,149.22 : 318,962.16 = 158,614.32 : x
  2. Step 2: Convert to fraction form
    231,149.22/318,962.16 = 158,614.32/x
  3. Step 3: Cross multiply
    231,149.22x = 318,962.16 × 158,614.32
  4. Step 4: Simplify right side
    231,149.22x = 50,591,966,114.13
  5. Step 5: Solve for x
    x = 50,591,966,114.13/231,149.22
  6. Step 6: Final answer
    x = 218,871.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.