Home / 112,744.70-155,585.98-61,757.02

Finding the Fourth Proportional to 112,744.70, 155,585.98 and 61,757.02

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Solution

The fourth proportional to 112,744.70, 155,585.98 and 61,757.02 is: 85,223.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,744.70 : 155,585.98 = 61,757.02 : x
  2. Step 2: Convert to fraction form
    112,744.70/155,585.98 = 61,757.02/x
  3. Step 3: Cross multiply
    112,744.70x = 155,585.98 × 61,757.02
  4. Step 4: Simplify right side
    112,744.70x = 9,608,526,478.58
  5. Step 5: Solve for x
    x = 9,608,526,478.58/112,744.70
  6. Step 6: Final answer
    x = 85,223.75

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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.