Home / 112,288.26-154,951.20-61,290.90

Finding the Fourth Proportional to 112,288.26, 154,951.20 and 61,290.90

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Solution

The fourth proportional to 112,288.26, 154,951.20 and 61,290.90 is: 84,577.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,288.26 : 154,951.20 = 61,290.90 : x
  2. Step 2: Convert to fraction form
    112,288.26/154,951.20 = 61,290.90/x
  3. Step 3: Cross multiply
    112,288.26x = 154,951.20 × 61,290.90
  4. Step 4: Simplify right side
    112,288.26x = 9,497,098,504.08
  5. Step 5: Solve for x
    x = 9,497,098,504.08/112,288.26
  6. Step 6: Final answer
    x = 84,577.84

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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.