Home / 215,445.05-323,315.19-75,203.67

Finding the Fourth Proportional to 215,445.05, 323,315.19 and 75,203.67

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Solution

The fourth proportional to 215,445.05, 323,315.19 and 75,203.67 is: 112,857.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,445.05 : 323,315.19 = 75,203.67 : x
  2. Step 2: Convert to fraction form
    215,445.05/323,315.19 = 75,203.67/x
  3. Step 3: Cross multiply
    215,445.05x = 323,315.19 × 75,203.67
  4. Step 4: Simplify right side
    215,445.05x = 24,314,488,854.75
  5. Step 5: Solve for x
    x = 24,314,488,854.75/215,445.05
  6. Step 6: Final answer
    x = 112,857.03

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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.