Home / 122,983.44-169,720.56-75,235.92

Finding the Fourth Proportional to 122,983.44, 169,720.56 and 75,235.92

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Solution

The fourth proportional to 122,983.44, 169,720.56 and 75,235.92 is: 103,827.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,983.44 : 169,720.56 = 75,235.92 : x
  2. Step 2: Convert to fraction form
    122,983.44/169,720.56 = 75,235.92/x
  3. Step 3: Cross multiply
    122,983.44x = 169,720.56 × 75,235.92
  4. Step 4: Simplify right side
    122,983.44x = 12,769,082,474.52
  5. Step 5: Solve for x
    x = 12,769,082,474.52/122,983.44
  6. Step 6: Final answer
    x = 103,827.66

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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.