Home / 112,091.16-154,370.87-109,641.72

Finding the Fourth Proportional to 112,091.16, 154,370.87 and 109,641.72

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Solution

The fourth proportional to 112,091.16, 154,370.87 and 109,641.72 is: 150,997.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,091.16 : 154,370.87 = 109,641.72 : x
  2. Step 2: Convert to fraction form
    112,091.16/154,370.87 = 109,641.72/x
  3. Step 3: Cross multiply
    112,091.16x = 154,370.87 × 109,641.72
  4. Step 4: Simplify right side
    112,091.16x = 16,925,487,704.70
  5. Step 5: Solve for x
    x = 16,925,487,704.70/112,091.16
  6. Step 6: Final answer
    x = 150,997.52

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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.