Home / 259,175.16-388,782.45-88,343.82

Finding the Fourth Proportional to 259,175.16, 388,782.45 and 88,343.82

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Solution

The fourth proportional to 259,175.16, 388,782.45 and 88,343.82 is: 132,522.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,175.16 : 388,782.45 = 88,343.82 : x
  2. Step 2: Convert to fraction form
    259,175.16/388,782.45 = 88,343.82/x
  3. Step 3: Cross multiply
    259,175.16x = 388,782.45 × 88,343.82
  4. Step 4: Simplify right side
    259,175.16x = 34,346,526,781.96
  5. Step 5: Solve for x
    x = 34,346,526,781.96/259,175.16
  6. Step 6: Final answer
    x = 132,522.45

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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.