Home / 129,054.80-193,490.68-50,102.48

Finding the Fourth Proportional to 129,054.80, 193,490.68 and 50,102.48

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Solution

The fourth proportional to 129,054.80, 193,490.68 and 50,102.48 is: 75,118.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,054.80 : 193,490.68 = 50,102.48 : x
  2. Step 2: Convert to fraction form
    129,054.80/193,490.68 = 50,102.48/x
  3. Step 3: Cross multiply
    129,054.80x = 193,490.68 × 50,102.48
  4. Step 4: Simplify right side
    129,054.80x = 9,694,362,924.89
  5. Step 5: Solve for x
    x = 9,694,362,924.89/129,054.80
  6. Step 6: Final answer
    x = 75,118.19

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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.