Home / 129,685.06-194,454.63-40,922.02

Finding the Fourth Proportional to 129,685.06, 194,454.63 and 40,922.02

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Solution

The fourth proportional to 129,685.06, 194,454.63 and 40,922.02 is: 61,360.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,685.06 : 194,454.63 = 40,922.02 : x
  2. Step 2: Convert to fraction form
    129,685.06/194,454.63 = 40,922.02/x
  3. Step 3: Cross multiply
    129,685.06x = 194,454.63 × 40,922.02
  4. Step 4: Simplify right side
    129,685.06x = 7,957,476,257.95
  5. Step 5: Solve for x
    x = 7,957,476,257.95/129,685.06
  6. Step 6: Final answer
    x = 61,360.01

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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.