Home / 109,196.20-150,690.45-61,449.55

Finding the Fourth Proportional to 109,196.20, 150,690.45 and 61,449.55

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Solution

The fourth proportional to 109,196.20, 150,690.45 and 61,449.55 is: 84,800.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,196.20 : 150,690.45 = 61,449.55 : x
  2. Step 2: Convert to fraction form
    109,196.20/150,690.45 = 61,449.55/x
  3. Step 3: Cross multiply
    109,196.20x = 150,690.45 × 61,449.55
  4. Step 4: Simplify right side
    109,196.20x = 9,259,861,043.14
  5. Step 5: Solve for x
    x = 9,259,861,043.14/109,196.20
  6. Step 6: Final answer
    x = 84,800.21

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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.