Home / 215,327.08-323,139.66-125,518.60

Finding the Fourth Proportional to 215,327.08, 323,139.66 and 125,518.60

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Solution

The fourth proportional to 215,327.08, 323,139.66 and 125,518.60 is: 188,364.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,327.08 : 323,139.66 = 125,518.60 : x
  2. Step 2: Convert to fraction form
    215,327.08/323,139.66 = 125,518.60/x
  3. Step 3: Cross multiply
    215,327.08x = 323,139.66 × 125,518.60
  4. Step 4: Simplify right side
    215,327.08x = 40,560,037,727.68
  5. Step 5: Solve for x
    x = 40,560,037,727.68/215,327.08
  6. Step 6: Final answer
    x = 188,364.78

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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.