Home / 159,974.20-239,987.22-66,485.08

Finding the Fourth Proportional to 159,974.20, 239,987.22 and 66,485.08

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Solution

The fourth proportional to 159,974.20, 239,987.22 and 66,485.08 is: 99,738.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,974.20 : 239,987.22 = 66,485.08 : x
  2. Step 2: Convert to fraction form
    159,974.20/239,987.22 = 66,485.08/x
  3. Step 3: Cross multiply
    159,974.20x = 239,987.22 × 66,485.08
  4. Step 4: Simplify right side
    159,974.20x = 15,955,569,520.68
  5. Step 5: Solve for x
    x = 15,955,569,520.68/159,974.20
  6. Step 6: Final answer
    x = 99,738.39

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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.