Home / 239,111.46-329,972.22-131,680.74

Finding the Fourth Proportional to 239,111.46, 329,972.22 and 131,680.74

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Solution

The fourth proportional to 239,111.46, 329,972.22 and 131,680.74 is: 181,718.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,111.46 : 329,972.22 = 131,680.74 : x
  2. Step 2: Convert to fraction form
    239,111.46/329,972.22 = 131,680.74/x
  3. Step 3: Cross multiply
    239,111.46x = 329,972.22 × 131,680.74
  4. Step 4: Simplify right side
    239,111.46x = 43,450,986,109.04
  5. Step 5: Solve for x
    x = 43,450,986,109.04/239,111.46
  6. Step 6: Final answer
    x = 181,718.54

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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.