Home / 136,416.53-188,252.23-75,992.15

Finding the Fourth Proportional to 136,416.53, 188,252.23 and 75,992.15

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Solution

The fourth proportional to 136,416.53, 188,252.23 and 75,992.15 is: 104,867.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,416.53 : 188,252.23 = 75,992.15 : x
  2. Step 2: Convert to fraction form
    136,416.53/188,252.23 = 75,992.15/x
  3. Step 3: Cross multiply
    136,416.53x = 188,252.23 × 75,992.15
  4. Step 4: Simplify right side
    136,416.53x = 14,305,691,699.99
  5. Step 5: Solve for x
    x = 14,305,691,699.99/136,416.53
  6. Step 6: Final answer
    x = 104,867.73

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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.