Home / 90,946.06-125,500.66-50,108.83

Finding the Fourth Proportional to 90,946.06, 125,500.66 and 50,108.83

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Solution

The fourth proportional to 90,946.06, 125,500.66 and 50,108.83 is: 69,147.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,946.06 : 125,500.66 = 50,108.83 : x
  2. Step 2: Convert to fraction form
    90,946.06/125,500.66 = 50,108.83/x
  3. Step 3: Cross multiply
    90,946.06x = 125,500.66 × 50,108.83
  4. Step 4: Simplify right side
    90,946.06x = 6,288,690,797.80
  5. Step 5: Solve for x
    x = 6,288,690,797.80/90,946.06
  6. Step 6: Final answer
    x = 69,147.48

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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.