Home / 112,169.13-154,787.92-66,846.07

Finding the Fourth Proportional to 112,169.13, 154,787.92 and 66,846.07

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Solution

The fourth proportional to 112,169.13, 154,787.92 and 66,846.07 is: 92,244.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,169.13 : 154,787.92 = 66,846.07 : x
  2. Step 2: Convert to fraction form
    112,169.13/154,787.92 = 66,846.07/x
  3. Step 3: Cross multiply
    112,169.13x = 154,787.92 × 66,846.07
  4. Step 4: Simplify right side
    112,169.13x = 10,346,964,135.47
  5. Step 5: Solve for x
    x = 10,346,964,135.47/112,169.13
  6. Step 6: Final answer
    x = 92,244.31

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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.