Home / 269,939.06-372,515.91-156,769.10

Finding the Fourth Proportional to 269,939.06, 372,515.91 and 156,769.10

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Solution

The fourth proportional to 269,939.06, 372,515.91 and 156,769.10 is: 216,341.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,939.06 : 372,515.91 = 156,769.10 : x
  2. Step 2: Convert to fraction form
    269,939.06/372,515.91 = 156,769.10/x
  3. Step 3: Cross multiply
    269,939.06x = 372,515.91 × 156,769.10
  4. Step 4: Simplify right side
    269,939.06x = 58,398,984,877.67
  5. Step 5: Solve for x
    x = 58,398,984,877.67/269,939.06
  6. Step 6: Final answer
    x = 216,341.36

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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.