Home / 131,432.20-196,856.70-108,104.20

Finding the Fourth Proportional to 131,432.20, 196,856.70 and 108,104.20

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Solution

The fourth proportional to 131,432.20, 196,856.70 and 108,104.20 is: 161,916.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,432.20 : 196,856.70 = 108,104.20 : x
  2. Step 2: Convert to fraction form
    131,432.20/196,856.70 = 108,104.20/x
  3. Step 3: Cross multiply
    131,432.20x = 196,856.70 × 108,104.20
  4. Step 4: Simplify right side
    131,432.20x = 21,281,036,068.14
  5. Step 5: Solve for x
    x = 21,281,036,068.14/131,432.20
  6. Step 6: Final answer
    x = 161,916.46

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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.