Home / 129,849.02-194,625.91-54,922.40

Finding the Fourth Proportional to 129,849.02, 194,625.91 and 54,922.40

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Solution

The fourth proportional to 129,849.02, 194,625.91 and 54,922.40 is: 82,321.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,849.02 : 194,625.91 = 54,922.40 : x
  2. Step 2: Convert to fraction form
    129,849.02/194,625.91 = 54,922.40/x
  3. Step 3: Cross multiply
    129,849.02x = 194,625.91 × 54,922.40
  4. Step 4: Simplify right side
    129,849.02x = 10,689,323,153.99
  5. Step 5: Solve for x
    x = 10,689,323,153.99/129,849.02
  6. Step 6: Final answer
    x = 82,321.17

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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.