Home / 142,225.82-196,277.34-81,796.44

Finding the Fourth Proportional to 142,225.82, 196,277.34 and 81,796.44

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Solution

The fourth proportional to 142,225.82, 196,277.34 and 81,796.44 is: 112,882.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,225.82 : 196,277.34 = 81,796.44 : x
  2. Step 2: Convert to fraction form
    142,225.82/196,277.34 = 81,796.44/x
  3. Step 3: Cross multiply
    142,225.82x = 196,277.34 × 81,796.44
  4. Step 4: Simplify right side
    142,225.82x = 16,054,787,664.67
  5. Step 5: Solve for x
    x = 16,054,787,664.67/142,225.82
  6. Step 6: Final answer
    x = 112,882.37

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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.