Home / 131,502.20-197,253.30-109,632.20

Finding the Fourth Proportional to 131,502.20, 197,253.30 and 109,632.20

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Solution

The fourth proportional to 131,502.20, 197,253.30 and 109,632.20 is: 164,448.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,502.20 : 197,253.30 = 109,632.20 : x
  2. Step 2: Convert to fraction form
    131,502.20/197,253.30 = 109,632.20/x
  3. Step 3: Cross multiply
    131,502.20x = 197,253.30 × 109,632.20
  4. Step 4: Simplify right side
    131,502.20x = 21,625,313,236.26
  5. Step 5: Solve for x
    x = 21,625,313,236.26/131,502.20
  6. Step 6: Final answer
    x = 164,448.30

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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.