Home / 159,717.60-239,384.40-66,175.20

Finding the Fourth Proportional to 159,717.60, 239,384.40 and 66,175.20

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Solution

The fourth proportional to 159,717.60, 239,384.40 and 66,175.20 is: 99,183.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,717.60 : 239,384.40 = 66,175.20 : x
  2. Step 2: Convert to fraction form
    159,717.60/239,384.40 = 66,175.20/x
  3. Step 3: Cross multiply
    159,717.60x = 239,384.40 × 66,175.20
  4. Step 4: Simplify right side
    159,717.60x = 15,841,310,546.88
  5. Step 5: Solve for x
    x = 15,841,310,546.88/159,717.60
  6. Step 6: Final answer
    x = 99,183.25

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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.