Home / 112,165.16-154,787.40-61,176.96

Finding the Fourth Proportional to 112,165.16, 154,787.40 and 61,176.96

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Solution

The fourth proportional to 112,165.16, 154,787.40 and 61,176.96 is: 84,423.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,165.16 : 154,787.40 = 61,176.96 : x
  2. Step 2: Convert to fraction form
    112,165.16/154,787.40 = 61,176.96/x
  3. Step 3: Cross multiply
    112,165.16x = 154,787.40 × 61,176.96
  4. Step 4: Simplify right side
    112,165.16x = 9,469,422,578.30
  5. Step 5: Solve for x
    x = 9,469,422,578.30/112,165.16
  6. Step 6: Final answer
    x = 84,423.92

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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.