Home / 129,535.32-194,309.91-40,795.74

Finding the Fourth Proportional to 129,535.32, 194,309.91 and 40,795.74

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Solution

The fourth proportional to 129,535.32, 194,309.91 and 40,795.74 is: 61,195.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,535.32 : 194,309.91 = 40,795.74 : x
  2. Step 2: Convert to fraction form
    129,535.32/194,309.91 = 40,795.74/x
  3. Step 3: Cross multiply
    129,535.32x = 194,309.91 × 40,795.74
  4. Step 4: Simplify right side
    129,535.32x = 7,927,015,596.23
  5. Step 5: Solve for x
    x = 7,927,015,596.23/129,535.32
  6. Step 6: Final answer
    x = 61,195.79

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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.