Home / 135,231.46-186,556.57-87,500.19

Finding the Fourth Proportional to 135,231.46, 186,556.57 and 87,500.19

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Solution

The fourth proportional to 135,231.46, 186,556.57 and 87,500.19 is: 120,709.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,231.46 : 186,556.57 = 87,500.19 : x
  2. Step 2: Convert to fraction form
    135,231.46/186,556.57 = 87,500.19/x
  3. Step 3: Cross multiply
    135,231.46x = 186,556.57 × 87,500.19
  4. Step 4: Simplify right side
    135,231.46x = 16,323,735,320.75
  5. Step 5: Solve for x
    x = 16,323,735,320.75/135,231.46
  6. Step 6: Final answer
    x = 120,709.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.