Home / 90,334.23-135,446.66-40,405.02

Finding the Fourth Proportional to 90,334.23, 135,446.66 and 40,405.02

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Solution

The fourth proportional to 90,334.23, 135,446.66 and 40,405.02 is: 60,583.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,334.23 : 135,446.66 = 40,405.02 : x
  2. Step 2: Convert to fraction form
    90,334.23/135,446.66 = 40,405.02/x
  3. Step 3: Cross multiply
    90,334.23x = 135,446.66 × 40,405.02
  4. Step 4: Simplify right side
    90,334.23x = 5,472,725,006.23
  5. Step 5: Solve for x
    x = 5,472,725,006.23/90,334.23
  6. Step 6: Final answer
    x = 60,583.07

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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.