Home / 100,778.78-151,155.11-41,606.46

Finding the Fourth Proportional to 100,778.78, 151,155.11 and 41,606.46

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Solution

The fourth proportional to 100,778.78, 151,155.11 and 41,606.46 is: 62,404.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,778.78 : 151,155.11 = 41,606.46 : x
  2. Step 2: Convert to fraction form
    100,778.78/151,155.11 = 41,606.46/x
  3. Step 3: Cross multiply
    100,778.78x = 151,155.11 × 41,606.46
  4. Step 4: Simplify right side
    100,778.78x = 6,289,029,142.03
  5. Step 5: Solve for x
    x = 6,289,029,142.03/100,778.78
  6. Step 6: Final answer
    x = 62,404.30

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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.