Home / 88,513.06-122,145.21-50,269.64

Finding the Fourth Proportional to 88,513.06, 122,145.21 and 50,269.64

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Solution

The fourth proportional to 88,513.06, 122,145.21 and 50,269.64 is: 69,370.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,513.06 : 122,145.21 = 50,269.64 : x
  2. Step 2: Convert to fraction form
    88,513.06/122,145.21 = 50,269.64/x
  3. Step 3: Cross multiply
    88,513.06x = 122,145.21 × 50,269.64
  4. Step 4: Simplify right side
    88,513.06x = 6,140,195,734.42
  5. Step 5: Solve for x
    x = 6,140,195,734.42/88,513.06
  6. Step 6: Final answer
    x = 69,370.51

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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.