Home / 153,922-230,215.92-90,591.16

Finding the Fourth Proportional to 153,922, 230,215.92 and 90,591.16

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Solution

The fourth proportional to 153,922, 230,215.92 and 90,591.16 is: 135,494.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,922 : 230,215.92 = 90,591.16 : x
  2. Step 2: Convert to fraction form
    153,922/230,215.92 = 90,591.16/x
  3. Step 3: Cross multiply
    153,922x = 230,215.92 × 90,591.16
  4. Step 4: Simplify right side
    153,922x = 20,855,527,243.27
  5. Step 5: Solve for x
    x = 20,855,527,243.27/153,922
  6. Step 6: Final answer
    x = 135,494.13

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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.