Home / 250,618.17-376,005.20-82,139.97

Finding the Fourth Proportional to 250,618.17, 376,005.20 and 82,139.97

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Solution

The fourth proportional to 250,618.17, 376,005.20 and 82,139.97 is: 123,235.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,618.17 : 376,005.20 = 82,139.97 : x
  2. Step 2: Convert to fraction form
    250,618.17/376,005.20 = 82,139.97/x
  3. Step 3: Cross multiply
    250,618.17x = 376,005.20 × 82,139.97
  4. Step 4: Simplify right side
    250,618.17x = 30,885,055,437.14
  5. Step 5: Solve for x
    x = 30,885,055,437.14/250,618.17
  6. Step 6: Final answer
    x = 123,235.50

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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.