Home / 88,520.78-122,154.85-50,280.20

Finding the Fourth Proportional to 88,520.78, 122,154.85 and 50,280.20

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Solution

The fourth proportional to 88,520.78, 122,154.85 and 50,280.20 is: 69,384.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,520.78 : 122,154.85 = 50,280.20 : x
  2. Step 2: Convert to fraction form
    88,520.78/122,154.85 = 50,280.20/x
  3. Step 3: Cross multiply
    88,520.78x = 122,154.85 × 50,280.20
  4. Step 4: Simplify right side
    88,520.78x = 6,141,970,987.92
  5. Step 5: Solve for x
    x = 6,141,970,987.92/88,520.78
  6. Step 6: Final answer
    x = 69,384.51

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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.