Home / 129,240.34-193,909.92-50,409.52

Finding the Fourth Proportional to 129,240.34, 193,909.92 and 50,409.52

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Solution

The fourth proportional to 129,240.34, 193,909.92 and 50,409.52 is: 75,633.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,240.34 : 193,909.92 = 50,409.52 : x
  2. Step 2: Convert to fraction form
    129,240.34/193,909.92 = 50,409.52/x
  3. Step 3: Cross multiply
    129,240.34x = 193,909.92 × 50,409.52
  4. Step 4: Simplify right side
    129,240.34x = 9,774,905,990.44
  5. Step 5: Solve for x
    x = 9,774,905,990.44/129,240.34
  6. Step 6: Final answer
    x = 75,633.55

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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.