Home / 112,578.12-169,060.57-99,956.30

Finding the Fourth Proportional to 112,578.12, 169,060.57 and 99,956.30

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Solution

The fourth proportional to 112,578.12, 169,060.57 and 99,956.30 is: 150,106.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,578.12 : 169,060.57 = 99,956.30 : x
  2. Step 2: Convert to fraction form
    112,578.12/169,060.57 = 99,956.30/x
  3. Step 3: Cross multiply
    112,578.12x = 169,060.57 × 99,956.30
  4. Step 4: Simplify right side
    112,578.12x = 16,898,667,957.90
  5. Step 5: Solve for x
    x = 16,898,667,957.90/112,578.12
  6. Step 6: Final answer
    x = 150,106.15

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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.