Home / 88,408.42-122,113.22-64,170.68

Finding the Fourth Proportional to 88,408.42, 122,113.22 and 64,170.68

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Solution

The fourth proportional to 88,408.42, 122,113.22 and 64,170.68 is: 88,635.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,408.42 : 122,113.22 = 64,170.68 : x
  2. Step 2: Convert to fraction form
    88,408.42/122,113.22 = 64,170.68/x
  3. Step 3: Cross multiply
    88,408.42x = 122,113.22 × 64,170.68
  4. Step 4: Simplify right side
    88,408.42x = 7,836,088,364.39
  5. Step 5: Solve for x
    x = 7,836,088,364.39/88,408.42
  6. Step 6: Final answer
    x = 88,635.09

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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.