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Finding the Fourth Proportional to 127,373.88, 175,762 and 73,650.78

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Solution

The fourth proportional to 127,373.88, 175,762 and 73,650.78 is: 101,630.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,373.88 : 175,762 = 73,650.78 : x
  2. Step 2: Convert to fraction form
    127,373.88/175,762 = 73,650.78/x
  3. Step 3: Cross multiply
    127,373.88x = 175,762 × 73,650.78
  4. Step 4: Simplify right side
    127,373.88x = 12,945,008,394.36
  5. Step 5: Solve for x
    x = 12,945,008,394.36/127,373.88
  6. Step 6: Final answer
    x = 101,630.01

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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.