Home / 131,382.54-181,239.12-82,966.92

Finding the Fourth Proportional to 131,382.54, 181,239.12 and 82,966.92

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Solution

The fourth proportional to 131,382.54, 181,239.12 and 82,966.92 is: 114,450.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,382.54 : 181,239.12 = 82,966.92 : x
  2. Step 2: Convert to fraction form
    131,382.54/181,239.12 = 82,966.92/x
  3. Step 3: Cross multiply
    131,382.54x = 181,239.12 × 82,966.92
  4. Step 4: Simplify right side
    131,382.54x = 15,036,851,569.91
  5. Step 5: Solve for x
    x = 15,036,851,569.91/131,382.54
  6. Step 6: Final answer
    x = 114,450.91

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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.