Home / 131,330.60-196,995.90-89,340.20

Finding the Fourth Proportional to 131,330.60, 196,995.90 and 89,340.20

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Solution

The fourth proportional to 131,330.60, 196,995.90 and 89,340.20 is: 134,010.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,330.60 : 196,995.90 = 89,340.20 : x
  2. Step 2: Convert to fraction form
    131,330.60/196,995.90 = 89,340.20/x
  3. Step 3: Cross multiply
    131,330.60x = 196,995.90 × 89,340.20
  4. Step 4: Simplify right side
    131,330.60x = 17,599,653,105.18
  5. Step 5: Solve for x
    x = 17,599,653,105.18/131,330.60
  6. Step 6: Final answer
    x = 134,010.30

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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.