Home / 215,839.04-323,561.34-75,521.12

Finding the Fourth Proportional to 215,839.04, 323,561.34 and 75,521.12

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Solution

The fourth proportional to 215,839.04, 323,561.34 and 75,521.12 is: 113,212.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,839.04 : 323,561.34 = 75,521.12 : x
  2. Step 2: Convert to fraction form
    215,839.04/323,561.34 = 75,521.12/x
  3. Step 3: Cross multiply
    215,839.04x = 323,561.34 × 75,521.12
  4. Step 4: Simplify right side
    215,839.04x = 24,435,714,785.50
  5. Step 5: Solve for x
    x = 24,435,714,785.50/215,839.04
  6. Step 6: Final answer
    x = 113,212.67

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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.