Home / 127,311.03-175,678.74-69,947.44

Finding the Fourth Proportional to 127,311.03, 175,678.74 and 69,947.44

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Solution

The fourth proportional to 127,311.03, 175,678.74 and 69,947.44 is: 96,521.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,311.03 : 175,678.74 = 69,947.44 : x
  2. Step 2: Convert to fraction form
    127,311.03/175,678.74 = 69,947.44/x
  3. Step 3: Cross multiply
    127,311.03x = 175,678.74 × 69,947.44
  4. Step 4: Simplify right side
    127,311.03x = 12,288,278,125.43
  5. Step 5: Solve for x
    x = 12,288,278,125.43/127,311.03
  6. Step 6: Final answer
    x = 96,521.71

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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.