Home / 87,097.21-120,165.68-50,790.42

Finding the Fourth Proportional to 87,097.21, 120,165.68 and 50,790.42

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Solution

The fourth proportional to 87,097.21, 120,165.68 and 50,790.42 is: 70,074.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,097.21 : 120,165.68 = 50,790.42 : x
  2. Step 2: Convert to fraction form
    87,097.21/120,165.68 = 50,790.42/x
  3. Step 3: Cross multiply
    87,097.21x = 120,165.68 × 50,790.42
  4. Step 4: Simplify right side
    87,097.21x = 6,103,265,483.76
  5. Step 5: Solve for x
    x = 6,103,265,483.76/87,097.21
  6. Step 6: Final answer
    x = 70,074.18

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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.