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Finding the Fourth Proportional to 112,122.01, 154,701.25 and 66,770.92

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Solution

The fourth proportional to 112,122.01, 154,701.25 and 66,770.92 is: 92,127.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,122.01 : 154,701.25 = 66,770.92 : x
  2. Step 2: Convert to fraction form
    112,122.01/154,701.25 = 66,770.92/x
  3. Step 3: Cross multiply
    112,122.01x = 154,701.25 × 66,770.92
  4. Step 4: Simplify right side
    112,122.01x = 10,329,544,787.65
  5. Step 5: Solve for x
    x = 10,329,544,787.65/112,122.01
  6. Step 6: Final answer
    x = 92,127.72

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.