Home / 239,113.46-329,974.98-131,682.74

Finding the Fourth Proportional to 239,113.46, 329,974.98 and 131,682.74

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Solution

The fourth proportional to 239,113.46, 329,974.98 and 131,682.74 is: 181,721.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,113.46 : 329,974.98 = 131,682.74 : x
  2. Step 2: Convert to fraction form
    239,113.46/329,974.98 = 131,682.74/x
  3. Step 3: Cross multiply
    239,113.46x = 329,974.98 × 131,682.74
  4. Step 4: Simplify right side
    239,113.46x = 43,452,009,497.85
  5. Step 5: Solve for x
    x = 43,452,009,497.85/239,113.46
  6. Step 6: Final answer
    x = 181,721.30

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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.