Home / 88,508.21-122,140.65-48,221.85

Finding the Fourth Proportional to 88,508.21, 122,140.65 and 48,221.85

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Solution

The fourth proportional to 88,508.21, 122,140.65 and 48,221.85 is: 66,545.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,508.21 : 122,140.65 = 48,221.85 : x
  2. Step 2: Convert to fraction form
    88,508.21/122,140.65 = 48,221.85/x
  3. Step 3: Cross multiply
    88,508.21x = 122,140.65 × 48,221.85
  4. Step 4: Simplify right side
    88,508.21x = 5,889,847,492.50
  5. Step 5: Solve for x
    x = 5,889,847,492.50/88,508.21
  6. Step 6: Final answer
    x = 66,545.78

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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.