Home / 79,171.16-118,670.37-29,209.14

Finding the Fourth Proportional to 79,171.16, 118,670.37 and 29,209.14

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Solution

The fourth proportional to 79,171.16, 118,670.37 and 29,209.14 is: 43,781.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,171.16 : 118,670.37 = 29,209.14 : x
  2. Step 2: Convert to fraction form
    79,171.16/118,670.37 = 29,209.14/x
  3. Step 3: Cross multiply
    79,171.16x = 118,670.37 × 29,209.14
  4. Step 4: Simplify right side
    79,171.16x = 3,466,259,341.65
  5. Step 5: Solve for x
    x = 3,466,259,341.65/79,171.16
  6. Step 6: Final answer
    x = 43,781.85

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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.