Home / 101,252.54-139,727.04-55,311.62

Finding the Fourth Proportional to 101,252.54, 139,727.04 and 55,311.62

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Solution

The fourth proportional to 101,252.54, 139,727.04 and 55,311.62 is: 76,329.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,252.54 : 139,727.04 = 55,311.62 : x
  2. Step 2: Convert to fraction form
    101,252.54/139,727.04 = 55,311.62/x
  3. Step 3: Cross multiply
    101,252.54x = 139,727.04 × 55,311.62
  4. Step 4: Simplify right side
    101,252.54x = 7,728,529,078.48
  5. Step 5: Solve for x
    x = 7,728,529,078.48/101,252.54
  6. Step 6: Final answer
    x = 76,329.24

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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.