Home / 109,964.20-164,919.90-31,085.80

Finding the Fourth Proportional to 109,964.20, 164,919.90 and 31,085.80

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Solution

The fourth proportional to 109,964.20, 164,919.90 and 31,085.80 is: 46,621.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,964.20 : 164,919.90 = 31,085.80 : x
  2. Step 2: Convert to fraction form
    109,964.20/164,919.90 = 31,085.80/x
  3. Step 3: Cross multiply
    109,964.20x = 164,919.90 × 31,085.80
  4. Step 4: Simplify right side
    109,964.20x = 5,126,667,027.42
  5. Step 5: Solve for x
    x = 5,126,667,027.42/109,964.20
  6. Step 6: Final answer
    x = 46,621.24

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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.