Home / 122,554.85-169,099.46-71,544.43

Finding the Fourth Proportional to 122,554.85, 169,099.46 and 71,544.43

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Solution

The fourth proportional to 122,554.85, 169,099.46 and 71,544.43 is: 98,716.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,554.85 : 169,099.46 = 71,544.43 : x
  2. Step 2: Convert to fraction form
    122,554.85/169,099.46 = 71,544.43/x
  3. Step 3: Cross multiply
    122,554.85x = 169,099.46 × 71,544.43
  4. Step 4: Simplify right side
    122,554.85x = 12,098,124,121.29
  5. Step 5: Solve for x
    x = 12,098,124,121.29/122,554.85
  6. Step 6: Final answer
    x = 98,716.00

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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.