Home / 129,626.10-194,220.45-62,922.60

Finding the Fourth Proportional to 129,626.10, 194,220.45 and 62,922.60

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Solution

The fourth proportional to 129,626.10, 194,220.45 and 62,922.60 is: 94,277.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,626.10 : 194,220.45 = 62,922.60 : x
  2. Step 2: Convert to fraction form
    129,626.10/194,220.45 = 62,922.60/x
  3. Step 3: Cross multiply
    129,626.10x = 194,220.45 × 62,922.60
  4. Step 4: Simplify right side
    129,626.10x = 12,220,855,687.17
  5. Step 5: Solve for x
    x = 12,220,855,687.17/129,626.10
  6. Step 6: Final answer
    x = 94,277.74

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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.