Home / 115,658.64-173,468.66-40,761.18

Finding the Fourth Proportional to 115,658.64, 173,468.66 and 40,761.18

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Solution

The fourth proportional to 115,658.64, 173,468.66 and 40,761.18 is: 61,134.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,658.64 : 173,468.66 = 40,761.18 : x
  2. Step 2: Convert to fraction form
    115,658.64/173,468.66 = 40,761.18/x
  3. Step 3: Cross multiply
    115,658.64x = 173,468.66 × 40,761.18
  4. Step 4: Simplify right side
    115,658.64x = 7,070,787,070.81
  5. Step 5: Solve for x
    x = 7,070,787,070.81/115,658.64
  6. Step 6: Final answer
    x = 61,134.97

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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.