Home / 201,217.12-301,600.87-87,233.35

Finding the Fourth Proportional to 201,217.12, 301,600.87 and 87,233.35

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Solution

The fourth proportional to 201,217.12, 301,600.87 and 87,233.35 is: 130,752.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,217.12 : 301,600.87 = 87,233.35 : x
  2. Step 2: Convert to fraction form
    201,217.12/301,600.87 = 87,233.35/x
  3. Step 3: Cross multiply
    201,217.12x = 301,600.87 × 87,233.35
  4. Step 4: Simplify right side
    201,217.12x = 26,309,653,280.93
  5. Step 5: Solve for x
    x = 26,309,653,280.93/201,217.12
  6. Step 6: Final answer
    x = 130,752.56

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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.