Home / 126,288.06-174,281.67-69,704.70

Finding the Fourth Proportional to 126,288.06, 174,281.67 and 69,704.70

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Solution

The fourth proportional to 126,288.06, 174,281.67 and 69,704.70 is: 96,194.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,288.06 : 174,281.67 = 69,704.70 : x
  2. Step 2: Convert to fraction form
    126,288.06/174,281.67 = 69,704.70/x
  3. Step 3: Cross multiply
    126,288.06x = 174,281.67 × 69,704.70
  4. Step 4: Simplify right side
    126,288.06x = 12,148,251,522.85
  5. Step 5: Solve for x
    x = 12,148,251,522.85/126,288.06
  6. Step 6: Final answer
    x = 96,194.78

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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.