Home / 90,963.08-125,518.17-52,198.92

Finding the Fourth Proportional to 90,963.08, 125,518.17 and 52,198.92

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Solution

The fourth proportional to 90,963.08, 125,518.17 and 52,198.92 is: 72,028.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,963.08 : 125,518.17 = 52,198.92 : x
  2. Step 2: Convert to fraction form
    90,963.08/125,518.17 = 52,198.92/x
  3. Step 3: Cross multiply
    90,963.08x = 125,518.17 × 52,198.92
  4. Step 4: Simplify right side
    90,963.08x = 6,551,912,151.09
  5. Step 5: Solve for x
    x = 6,551,912,151.09/90,963.08
  6. Step 6: Final answer
    x = 72,028.26

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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.