Home / 215,744.68-323,695.91-100,394.18

Finding the Fourth Proportional to 215,744.68, 323,695.91 and 100,394.18

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Solution

The fourth proportional to 215,744.68, 323,695.91 and 100,394.18 is: 150,627.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,744.68 : 323,695.91 = 100,394.18 : x
  2. Step 2: Convert to fraction form
    215,744.68/323,695.91 = 100,394.18/x
  3. Step 3: Cross multiply
    215,744.68x = 323,695.91 × 100,394.18
  4. Step 4: Simplify right side
    215,744.68x = 32,497,185,300.17
  5. Step 5: Solve for x
    x = 32,497,185,300.17/215,744.68
  6. Step 6: Final answer
    x = 150,627.98

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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.