Home / 215,765.35-323,647.55-57,993.80

Finding the Fourth Proportional to 215,765.35, 323,647.55 and 57,993.80

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Solution

The fourth proportional to 215,765.35, 323,647.55 and 57,993.80 is: 86,990.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,765.35 : 323,647.55 = 57,993.80 : x
  2. Step 2: Convert to fraction form
    215,765.35/323,647.55 = 57,993.80/x
  3. Step 3: Cross multiply
    215,765.35x = 323,647.55 × 57,993.80
  4. Step 4: Simplify right side
    215,765.35x = 18,769,549,594.46
  5. Step 5: Solve for x
    x = 18,769,549,594.46/215,765.35
  6. Step 6: Final answer
    x = 86,990.57

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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.