Home / 88,167.64-121,682.46-54,638.68

Finding the Fourth Proportional to 88,167.64, 121,682.46 and 54,638.68

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Solution

The fourth proportional to 88,167.64, 121,682.46 and 54,638.68 is: 75,408.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,167.64 : 121,682.46 = 54,638.68 : x
  2. Step 2: Convert to fraction form
    88,167.64/121,682.46 = 54,638.68/x
  3. Step 3: Cross multiply
    88,167.64x = 121,682.46 × 54,638.68
  4. Step 4: Simplify right side
    88,167.64x = 6,648,568,993.55
  5. Step 5: Solve for x
    x = 6,648,568,993.55/88,167.64
  6. Step 6: Final answer
    x = 75,408.27

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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.