Home / 112,972.68-169,463.43-34,086.92

Finding the Fourth Proportional to 112,972.68, 169,463.43 and 34,086.92

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Solution

The fourth proportional to 112,972.68, 169,463.43 and 34,086.92 is: 51,131.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,972.68 : 169,463.43 = 34,086.92 : x
  2. Step 2: Convert to fraction form
    112,972.68/169,463.43 = 34,086.92/x
  3. Step 3: Cross multiply
    112,972.68x = 169,463.43 × 34,086.92
  4. Step 4: Simplify right side
    112,972.68x = 5,776,485,534.02
  5. Step 5: Solve for x
    x = 5,776,485,534.02/112,972.68
  6. Step 6: Final answer
    x = 51,131.70

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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.