Home / 90,698.20-125,160.98-50,410.92

Finding the Fourth Proportional to 90,698.20, 125,160.98 and 50,410.92

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Solution

The fourth proportional to 90,698.20, 125,160.98 and 50,410.92 is: 69,565.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,698.20 : 125,160.98 = 50,410.92 : x
  2. Step 2: Convert to fraction form
    90,698.20/125,160.98 = 50,410.92/x
  3. Step 3: Cross multiply
    90,698.20x = 125,160.98 × 50,410.92
  4. Step 4: Simplify right side
    90,698.20x = 6,309,480,149.90
  5. Step 5: Solve for x
    x = 6,309,480,149.90/90,698.20
  6. Step 6: Final answer
    x = 69,565.66

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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.