Home / 90,361.38-135,530.51-23,806.65

Finding the Fourth Proportional to 90,361.38, 135,530.51 and 23,806.65

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Solution

The fourth proportional to 90,361.38, 135,530.51 and 23,806.65 is: 35,706.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,361.38 : 135,530.51 = 23,806.65 : x
  2. Step 2: Convert to fraction form
    90,361.38/135,530.51 = 23,806.65/x
  3. Step 3: Cross multiply
    90,361.38x = 135,530.51 × 23,806.65
  4. Step 4: Simplify right side
    90,361.38x = 3,226,527,296.86
  5. Step 5: Solve for x
    x = 3,226,527,296.86/90,361.38
  6. Step 6: Final answer
    x = 35,706.93

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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.