Home / 108,306.57-162,211.94-66,093.71

Finding the Fourth Proportional to 108,306.57, 162,211.94 and 66,093.71

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Solution

The fourth proportional to 108,306.57, 162,211.94 and 66,093.71 is: 98,989.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,306.57 : 162,211.94 = 66,093.71 : x
  2. Step 2: Convert to fraction form
    108,306.57/162,211.94 = 66,093.71/x
  3. Step 3: Cross multiply
    108,306.57x = 162,211.94 × 66,093.71
  4. Step 4: Simplify right side
    108,306.57x = 10,721,189,243.81
  5. Step 5: Solve for x
    x = 10,721,189,243.81/108,306.57
  6. Step 6: Final answer
    x = 98,989.28

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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.