Home / 90,399.65-135,587.93-23,844.78

Finding the Fourth Proportional to 90,399.65, 135,587.93 and 23,844.78

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Solution

The fourth proportional to 90,399.65, 135,587.93 and 23,844.78 is: 35,764.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,399.65 : 135,587.93 = 23,844.78 : x
  2. Step 2: Convert to fraction form
    90,399.65/135,587.93 = 23,844.78/x
  3. Step 3: Cross multiply
    90,399.65x = 135,587.93 × 23,844.78
  4. Step 4: Simplify right side
    90,399.65x = 3,233,064,242.28
  5. Step 5: Solve for x
    x = 3,233,064,242.28/90,399.65
  6. Step 6: Final answer
    x = 35,764.13

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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.