Home / 130,825.54-196,257.51-42,049.78

Finding the Fourth Proportional to 130,825.54, 196,257.51 and 42,049.78

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Solution

The fourth proportional to 130,825.54, 196,257.51 and 42,049.78 is: 63,080.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,825.54 : 196,257.51 = 42,049.78 : x
  2. Step 2: Convert to fraction form
    130,825.54/196,257.51 = 42,049.78/x
  3. Step 3: Cross multiply
    130,825.54x = 196,257.51 × 42,049.78
  4. Step 4: Simplify right side
    130,825.54x = 8,252,585,118.85
  5. Step 5: Solve for x
    x = 8,252,585,118.85/130,825.54
  6. Step 6: Final answer
    x = 63,080.84

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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.