Home / 159,965.12-239,960.44-54,785

Finding the Fourth Proportional to 159,965.12, 239,960.44 and 54,785

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Solution

The fourth proportional to 159,965.12, 239,960.44 and 54,785 is: 82,181.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,965.12 : 239,960.44 = 54,785 : x
  2. Step 2: Convert to fraction form
    159,965.12/239,960.44 = 54,785/x
  3. Step 3: Cross multiply
    159,965.12x = 239,960.44 × 54,785
  4. Step 4: Simplify right side
    159,965.12x = 13,146,232,705.40
  5. Step 5: Solve for x
    x = 13,146,232,705.40/159,965.12
  6. Step 6: Final answer
    x = 82,181.87

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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.