Home / 100,187.34-150,177.33-47,556.78

Finding the Fourth Proportional to 100,187.34, 150,177.33 and 47,556.78

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Solution

The fourth proportional to 100,187.34, 150,177.33 and 47,556.78 is: 71,285.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,187.34 : 150,177.33 = 47,556.78 : x
  2. Step 2: Convert to fraction form
    100,187.34/150,177.33 = 47,556.78/x
  3. Step 3: Cross multiply
    100,187.34x = 150,177.33 × 47,556.78
  4. Step 4: Simplify right side
    100,187.34x = 7,141,950,243.80
  5. Step 5: Solve for x
    x = 7,141,950,243.80/100,187.34
  6. Step 6: Final answer
    x = 71,285.96

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1.5x scale

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.