Home / 108,122.11-149,278.72-96,771.92

Finding the Fourth Proportional to 108,122.11, 149,278.72 and 96,771.92

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Solution

The fourth proportional to 108,122.11, 149,278.72 and 96,771.92 is: 133,608.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,122.11 : 149,278.72 = 96,771.92 : x
  2. Step 2: Convert to fraction form
    108,122.11/149,278.72 = 96,771.92/x
  3. Step 3: Cross multiply
    108,122.11x = 149,278.72 × 96,771.92
  4. Step 4: Simplify right side
    108,122.11x = 14,445,987,865.68
  5. Step 5: Solve for x
    x = 14,445,987,865.68/108,122.11
  6. Step 6: Final answer
    x = 133,608.08

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1.5x scale

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.