Home / 124,279.36-171,517.44-76,560.64

Finding the Fourth Proportional to 124,279.36, 171,517.44 and 76,560.64

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Solution

The fourth proportional to 124,279.36, 171,517.44 and 76,560.64 is: 105,661.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,279.36 : 171,517.44 = 76,560.64 : x
  2. Step 2: Convert to fraction form
    124,279.36/171,517.44 = 76,560.64/x
  3. Step 3: Cross multiply
    124,279.36x = 171,517.44 × 76,560.64
  4. Step 4: Simplify right side
    124,279.36x = 13,131,484,977.56
  5. Step 5: Solve for x
    x = 13,131,484,977.56/124,279.36
  6. Step 6: Final answer
    x = 105,661.03

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1.5x scale

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.