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Finding the Fourth Proportional to 97,230.58, 134,126.97 and 66,963.46

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Solution

The fourth proportional to 97,230.58, 134,126.97 and 66,963.46 is: 92,374.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,230.58 : 134,126.97 = 66,963.46 : x
  2. Step 2: Convert to fraction form
    97,230.58/134,126.97 = 66,963.46/x
  3. Step 3: Cross multiply
    97,230.58x = 134,126.97 × 66,963.46
  4. Step 4: Simplify right side
    97,230.58x = 8,981,605,990.52
  5. Step 5: Solve for x
    x = 8,981,605,990.52/97,230.58
  6. Step 6: Final answer
    x = 92,374.29

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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.