Home / 142,716.75-213,736.14-92,641.74

Finding the Fourth Proportional to 142,716.75, 213,736.14 and 92,641.74

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Solution

The fourth proportional to 142,716.75, 213,736.14 and 92,641.74 is: 138,742.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,716.75 : 213,736.14 = 92,641.74 : x
  2. Step 2: Convert to fraction form
    142,716.75/213,736.14 = 92,641.74/x
  3. Step 3: Cross multiply
    142,716.75x = 213,736.14 × 92,641.74
  4. Step 4: Simplify right side
    142,716.75x = 19,800,887,910.48
  5. Step 5: Solve for x
    x = 19,800,887,910.48/142,716.75
  6. Step 6: Final answer
    x = 138,742.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.