Home / 258,523.20-387,626.04-100,567.56

Finding the Fourth Proportional to 258,523.20, 387,626.04 and 100,567.56

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Solution

The fourth proportional to 258,523.20, 387,626.04 and 100,567.56 is: 150,789.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,523.20 : 387,626.04 = 100,567.56 : x
  2. Step 2: Convert to fraction form
    258,523.20/387,626.04 = 100,567.56/x
  3. Step 3: Cross multiply
    258,523.20x = 387,626.04 × 100,567.56
  4. Step 4: Simplify right side
    258,523.20x = 38,982,605,035.26
  5. Step 5: Solve for x
    x = 38,982,605,035.26/258,523.20
  6. Step 6: Final answer
    x = 150,789.58

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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.