Home / 209,434.20-313,993.08-104,327.52

Finding the Fourth Proportional to 209,434.20, 313,993.08 and 104,327.52

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Solution

The fourth proportional to 209,434.20, 313,993.08 and 104,327.52 is: 156,412.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,434.20 : 313,993.08 = 104,327.52 : x
  2. Step 2: Convert to fraction form
    209,434.20/313,993.08 = 104,327.52/x
  3. Step 3: Cross multiply
    209,434.20x = 313,993.08 × 104,327.52
  4. Step 4: Simplify right side
    209,434.20x = 32,758,119,333.56
  5. Step 5: Solve for x
    x = 32,758,119,333.56/209,434.20
  6. Step 6: Final answer
    x = 156,412.46

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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.