Home / 105,330.86-158,016.84-38,771.54

Finding the Fourth Proportional to 105,330.86, 158,016.84 and 38,771.54

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Solution

The fourth proportional to 105,330.86, 158,016.84 and 38,771.54 is: 58,164.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,330.86 : 158,016.84 = 38,771.54 : x
  2. Step 2: Convert to fraction form
    105,330.86/158,016.84 = 38,771.54/x
  3. Step 3: Cross multiply
    105,330.86x = 158,016.84 × 38,771.54
  4. Step 4: Simplify right side
    105,330.86x = 6,126,556,232.73
  5. Step 5: Solve for x
    x = 6,126,556,232.73/105,330.86
  6. Step 6: Final answer
    x = 58,164.87

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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.