Home / 220,105.08-330,155.46-70,343.64

Finding the Fourth Proportional to 220,105.08, 330,155.46 and 70,343.64

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Solution

The fourth proportional to 220,105.08, 330,155.46 and 70,343.64 is: 105,514.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,105.08 : 330,155.46 = 70,343.64 : x
  2. Step 2: Convert to fraction form
    220,105.08/330,155.46 = 70,343.64/x
  3. Step 3: Cross multiply
    220,105.08x = 330,155.46 × 70,343.64
  4. Step 4: Simplify right side
    220,105.08x = 23,224,336,822.27
  5. Step 5: Solve for x
    x = 23,224,336,822.27/220,105.08
  6. Step 6: Final answer
    x = 105,514.77

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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.