Home / 179,835.39-269,406.88-112,393.78

Finding the Fourth Proportional to 179,835.39, 269,406.88 and 112,393.78

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Solution

The fourth proportional to 179,835.39, 269,406.88 and 112,393.78 is: 168,374.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,835.39 : 269,406.88 = 112,393.78 : x
  2. Step 2: Convert to fraction form
    179,835.39/269,406.88 = 112,393.78/x
  3. Step 3: Cross multiply
    179,835.39x = 269,406.88 × 112,393.78
  4. Step 4: Simplify right side
    179,835.39x = 30,279,656,646.70
  5. Step 5: Solve for x
    x = 30,279,656,646.70/179,835.39
  6. Step 6: Final answer
    x = 168,374.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.