Home / 127,769.10-191,726.55-48,939.90

Finding the Fourth Proportional to 127,769.10, 191,726.55 and 48,939.90

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Solution

The fourth proportional to 127,769.10, 191,726.55 and 48,939.90 is: 73,437.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,769.10 : 191,726.55 = 48,939.90 : x
  2. Step 2: Convert to fraction form
    127,769.10/191,726.55 = 48,939.90/x
  3. Step 3: Cross multiply
    127,769.10x = 191,726.55 × 48,939.90
  4. Step 4: Simplify right side
    127,769.10x = 9,383,078,184.35
  5. Step 5: Solve for x
    x = 9,383,078,184.35/127,769.10
  6. Step 6: Final answer
    x = 73,437.77

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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.