Home / 131,335.80-196,687.82-75,005.16

Finding the Fourth Proportional to 131,335.80, 196,687.82 and 75,005.16

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Solution

The fourth proportional to 131,335.80, 196,687.82 and 75,005.16 is: 112,327.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,335.80 : 196,687.82 = 75,005.16 : x
  2. Step 2: Convert to fraction form
    131,335.80/196,687.82 = 75,005.16/x
  3. Step 3: Cross multiply
    131,335.80x = 196,687.82 × 75,005.16
  4. Step 4: Simplify right side
    131,335.80x = 14,752,601,409.15
  5. Step 5: Solve for x
    x = 14,752,601,409.15/131,335.80
  6. Step 6: Final answer
    x = 112,327.34

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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.