Home / 112,796.97-155,653.11-61,799.55

Finding the Fourth Proportional to 112,796.97, 155,653.11 and 61,799.55

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Solution

The fourth proportional to 112,796.97, 155,653.11 and 61,799.55 is: 85,279.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,796.97 : 155,653.11 = 61,799.55 : x
  2. Step 2: Convert to fraction form
    112,796.97/155,653.11 = 61,799.55/x
  3. Step 3: Cross multiply
    112,796.97x = 155,653.11 × 61,799.55
  4. Step 4: Simplify right side
    112,796.97x = 9,619,292,154.10
  5. Step 5: Solve for x
    x = 9,619,292,154.10/112,796.97
  6. Step 6: Final answer
    x = 85,279.70

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1.5x scale

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.