Home / 108,160.90-162,021.02-88,241.38

Finding the Fourth Proportional to 108,160.90, 162,021.02 and 88,241.38

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Solution

The fourth proportional to 108,160.90, 162,021.02 and 88,241.38 is: 132,182.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,160.90 : 162,021.02 = 88,241.38 : x
  2. Step 2: Convert to fraction form
    108,160.90/162,021.02 = 88,241.38/x
  3. Step 3: Cross multiply
    108,160.90x = 162,021.02 × 88,241.38
  4. Step 4: Simplify right side
    108,160.90x = 14,296,958,393.81
  5. Step 5: Solve for x
    x = 14,296,958,393.81/108,160.90
  6. Step 6: Final answer
    x = 132,182.32

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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.