Home / 215,757.40-323,636.10-75,530.20

Finding the Fourth Proportional to 215,757.40, 323,636.10 and 75,530.20

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Solution

The fourth proportional to 215,757.40, 323,636.10 and 75,530.20 is: 113,295.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,757.40 : 323,636.10 = 75,530.20 : x
  2. Step 2: Convert to fraction form
    215,757.40/323,636.10 = 75,530.20/x
  3. Step 3: Cross multiply
    215,757.40x = 323,636.10 × 75,530.20
  4. Step 4: Simplify right side
    215,757.40x = 24,444,299,360.22
  5. Step 5: Solve for x
    x = 24,444,299,360.22/215,757.40
  6. Step 6: Final answer
    x = 113,295.30

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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.