Home / 195,331.48-269,538.78-155,142.52

Finding the Fourth Proportional to 195,331.48, 269,538.78 and 155,142.52

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Solution

The fourth proportional to 195,331.48, 269,538.78 and 155,142.52 is: 214,081.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,331.48 : 269,538.78 = 155,142.52 : x
  2. Step 2: Convert to fraction form
    195,331.48/269,538.78 = 155,142.52/x
  3. Step 3: Cross multiply
    195,331.48x = 269,538.78 × 155,142.52
  4. Step 4: Simplify right side
    195,331.48x = 41,816,925,566.93
  5. Step 5: Solve for x
    x = 41,816,925,566.93/195,331.48
  6. Step 6: Final answer
    x = 214,081.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.