Home / 154,136.25-231,204.38-43,328.25

Finding the Fourth Proportional to 154,136.25, 231,204.38 and 43,328.25

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Solution

The fourth proportional to 154,136.25, 231,204.38 and 43,328.25 is: 64,992.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,136.25 : 231,204.38 = 43,328.25 : x
  2. Step 2: Convert to fraction form
    154,136.25/231,204.38 = 43,328.25/x
  3. Step 3: Cross multiply
    154,136.25x = 231,204.38 × 43,328.25
  4. Step 4: Simplify right side
    154,136.25x = 10,017,681,177.74
  5. Step 5: Solve for x
    x = 10,017,681,177.74/154,136.25
  6. Step 6: Final answer
    x = 64,992.38

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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.