Home / 142,747.84-196,900.68-91,743.22

Finding the Fourth Proportional to 142,747.84, 196,900.68 and 91,743.22

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Solution

The fourth proportional to 142,747.84, 196,900.68 and 91,743.22 is: 126,546.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,747.84 : 196,900.68 = 91,743.22 : x
  2. Step 2: Convert to fraction form
    142,747.84/196,900.68 = 91,743.22/x
  3. Step 3: Cross multiply
    142,747.84x = 196,900.68 × 91,743.22
  4. Step 4: Simplify right side
    142,747.84x = 18,064,302,403.39
  5. Step 5: Solve for x
    x = 18,064,302,403.39/142,747.84
  6. Step 6: Final answer
    x = 126,546.94

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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.