Home / 127,977.30-191,721.15-68,793.30

Finding the Fourth Proportional to 127,977.30, 191,721.15 and 68,793.30

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Solution

The fourth proportional to 127,977.30, 191,721.15 and 68,793.30 is: 103,058.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,977.30 : 191,721.15 = 68,793.30 : x
  2. Step 2: Convert to fraction form
    127,977.30/191,721.15 = 68,793.30/x
  3. Step 3: Cross multiply
    127,977.30x = 191,721.15 × 68,793.30
  4. Step 4: Simplify right side
    127,977.30x = 13,189,130,588.30
  5. Step 5: Solve for x
    x = 13,189,130,588.30/127,977.30
  6. Step 6: Final answer
    x = 103,058.36

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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.