Home / 90,135.38-135,192.74-23,581.93

Finding the Fourth Proportional to 90,135.38, 135,192.74 and 23,581.93

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Solution

The fourth proportional to 90,135.38, 135,192.74 and 23,581.93 is: 35,370.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,135.38 : 135,192.74 = 23,581.93 : x
  2. Step 2: Convert to fraction form
    90,135.38/135,192.74 = 23,581.93/x
  3. Step 3: Cross multiply
    90,135.38x = 135,192.74 × 23,581.93
  4. Step 4: Simplify right side
    90,135.38x = 3,188,105,731.19
  5. Step 5: Solve for x
    x = 3,188,105,731.19/90,135.38
  6. Step 6: Final answer
    x = 35,370.19

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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.