Home / 131,432.20-197,148.30-96,440.20

Finding the Fourth Proportional to 131,432.20, 197,148.30 and 96,440.20

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Solution

The fourth proportional to 131,432.20, 197,148.30 and 96,440.20 is: 144,660.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,432.20 : 197,148.30 = 96,440.20 : x
  2. Step 2: Convert to fraction form
    131,432.20/197,148.30 = 96,440.20/x
  3. Step 3: Cross multiply
    131,432.20x = 197,148.30 × 96,440.20
  4. Step 4: Simplify right side
    131,432.20x = 19,013,021,481.66
  5. Step 5: Solve for x
    x = 19,013,021,481.66/131,432.20
  6. Step 6: Final answer
    x = 144,660.30

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1.5x scale

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.