Home / 181,081.40-271,427.70-68,718.20

Finding the Fourth Proportional to 181,081.40, 271,427.70 and 68,718.20

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Solution

The fourth proportional to 181,081.40, 271,427.70 and 68,718.20 is: 103,003.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,081.40 : 271,427.70 = 68,718.20 : x
  2. Step 2: Convert to fraction form
    181,081.40/271,427.70 = 68,718.20/x
  3. Step 3: Cross multiply
    181,081.40x = 271,427.70 × 68,718.20
  4. Step 4: Simplify right side
    181,081.40x = 18,652,022,974.14
  5. Step 5: Solve for x
    x = 18,652,022,974.14/181,081.40
  6. Step 6: Final answer
    x = 103,003.53

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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.