Home / 90,296.52-135,395.46-71,696.04

Finding the Fourth Proportional to 90,296.52, 135,395.46 and 71,696.04

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Solution

The fourth proportional to 90,296.52, 135,395.46 and 71,696.04 is: 107,504.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,296.52 : 135,395.46 = 71,696.04 : x
  2. Step 2: Convert to fraction form
    90,296.52/135,395.46 = 71,696.04/x
  3. Step 3: Cross multiply
    90,296.52x = 135,395.46 × 71,696.04
  4. Step 4: Simplify right side
    90,296.52x = 9,707,318,315.98
  5. Step 5: Solve for x
    x = 9,707,318,315.98/90,296.52
  6. Step 6: Final answer
    x = 107,504.90

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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.