Home / 97,171.76-134,158.92-79,309.38

Finding the Fourth Proportional to 97,171.76, 134,158.92 and 79,309.38

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Solution

The fourth proportional to 97,171.76, 134,158.92 and 79,309.38 is: 109,497.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,171.76 : 134,158.92 = 79,309.38 : x
  2. Step 2: Convert to fraction form
    97,171.76/134,158.92 = 79,309.38/x
  3. Step 3: Cross multiply
    97,171.76x = 134,158.92 × 79,309.38
  4. Step 4: Simplify right side
    97,171.76x = 10,640,060,766.67
  5. Step 5: Solve for x
    x = 10,640,060,766.67/97,171.76
  6. Step 6: Final answer
    x = 109,497.46

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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.