Home / 159,825.68-239,780.04-131,409.48

Finding the Fourth Proportional to 159,825.68, 239,780.04 and 131,409.48

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Solution

The fourth proportional to 159,825.68, 239,780.04 and 131,409.48 is: 197,148.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,825.68 : 239,780.04 = 131,409.48 : x
  2. Step 2: Convert to fraction form
    159,825.68/239,780.04 = 131,409.48/x
  3. Step 3: Cross multiply
    159,825.68x = 239,780.04 × 131,409.48
  4. Step 4: Simplify right side
    159,825.68x = 31,509,370,370.78
  5. Step 5: Solve for x
    x = 31,509,370,370.78/159,825.68
  6. Step 6: Final answer
    x = 197,148.36

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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.