Home / 100,830.72-151,246.14-41,601.30

Finding the Fourth Proportional to 100,830.72, 151,246.14 and 41,601.30

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Solution

The fourth proportional to 100,830.72, 151,246.14 and 41,601.30 is: 62,401.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,830.72 : 151,246.14 = 41,601.30 : x
  2. Step 2: Convert to fraction form
    100,830.72/151,246.14 = 41,601.30/x
  3. Step 3: Cross multiply
    100,830.72x = 151,246.14 × 41,601.30
  4. Step 4: Simplify right side
    100,830.72x = 6,292,035,320.80
  5. Step 5: Solve for x
    x = 6,292,035,320.80/100,830.72
  6. Step 6: Final answer
    x = 62,401.97

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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.