Home / 99,272.25-148,908.38-25,400.25

Finding the Fourth Proportional to 99,272.25, 148,908.38 and 25,400.25

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Solution

The fourth proportional to 99,272.25, 148,908.38 and 25,400.25 is: 38,100.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,272.25 : 148,908.38 = 25,400.25 : x
  2. Step 2: Convert to fraction form
    99,272.25/148,908.38 = 25,400.25/x
  3. Step 3: Cross multiply
    99,272.25x = 148,908.38 × 25,400.25
  4. Step 4: Simplify right side
    99,272.25x = 3,782,309,952.09
  5. Step 5: Solve for x
    x = 3,782,309,952.09/99,272.25
  6. Step 6: Final answer
    x = 38,100.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.