Home / 104,522.55-144,161.66-72,310.79

Finding the Fourth Proportional to 104,522.55, 144,161.66 and 72,310.79

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Solution

The fourth proportional to 104,522.55, 144,161.66 and 72,310.79 is: 99,733.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,522.55 : 144,161.66 = 72,310.79 : x
  2. Step 2: Convert to fraction form
    104,522.55/144,161.66 = 72,310.79/x
  3. Step 3: Cross multiply
    104,522.55x = 144,161.66 × 72,310.79
  4. Step 4: Simplify right side
    104,522.55x = 10,424,442,439.95
  5. Step 5: Solve for x
    x = 10,424,442,439.95/104,522.55
  6. Step 6: Final answer
    x = 99,733.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.