Home / 159,244.52-238,918.62-76,145

Finding the Fourth Proportional to 159,244.52, 238,918.62 and 76,145

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Solution

The fourth proportional to 159,244.52, 238,918.62 and 76,145 is: 114,242.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,244.52 : 238,918.62 = 76,145 : x
  2. Step 2: Convert to fraction form
    159,244.52/238,918.62 = 76,145/x
  3. Step 3: Cross multiply
    159,244.52x = 238,918.62 × 76,145
  4. Step 4: Simplify right side
    159,244.52x = 18,192,458,319.90
  5. Step 5: Solve for x
    x = 18,192,458,319.90/159,244.52
  6. Step 6: Final answer
    x = 114,242.29

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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.