Home / 129,388.73-193,967.66-50,484.60

Finding the Fourth Proportional to 129,388.73, 193,967.66 and 50,484.60

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Solution

The fourth proportional to 129,388.73, 193,967.66 and 50,484.60 is: 75,681.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,388.73 : 193,967.66 = 50,484.60 : x
  2. Step 2: Convert to fraction form
    129,388.73/193,967.66 = 50,484.60/x
  3. Step 3: Cross multiply
    129,388.73x = 193,967.66 × 50,484.60
  4. Step 4: Simplify right side
    129,388.73x = 9,792,379,854.25
  5. Step 5: Solve for x
    x = 9,792,379,854.25/129,388.73
  6. Step 6: Final answer
    x = 75,681.86

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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.