Home / 113,318.67-156,370.23-65,575.11

Finding the Fourth Proportional to 113,318.67, 156,370.23 and 65,575.11

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Solution

The fourth proportional to 113,318.67, 156,370.23 and 65,575.11 is: 90,488.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,318.67 : 156,370.23 = 65,575.11 : x
  2. Step 2: Convert to fraction form
    113,318.67/156,370.23 = 65,575.11/x
  3. Step 3: Cross multiply
    113,318.67x = 156,370.23 × 65,575.11
  4. Step 4: Simplify right side
    113,318.67x = 10,253,995,032.98
  5. Step 5: Solve for x
    x = 10,253,995,032.98/113,318.67
  6. Step 6: Final answer
    x = 90,488.13

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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.