Home / 129,215.85-193,744.40-50,238.02

Finding the Fourth Proportional to 129,215.85, 193,744.40 and 50,238.02

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Solution

The fourth proportional to 129,215.85, 193,744.40 and 50,238.02 is: 75,326.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,215.85 : 193,744.40 = 50,238.02 : x
  2. Step 2: Convert to fraction form
    129,215.85/193,744.40 = 50,238.02/x
  3. Step 3: Cross multiply
    129,215.85x = 193,744.40 × 50,238.02
  4. Step 4: Simplify right side
    129,215.85x = 9,733,333,822.18
  5. Step 5: Solve for x
    x = 9,733,333,822.18/129,215.85
  6. Step 6: Final answer
    x = 75,326.16

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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.