Home / 142,801.20-196,819.68-94,969.08

Finding the Fourth Proportional to 142,801.20, 196,819.68 and 94,969.08

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Solution

The fourth proportional to 142,801.20, 196,819.68 and 94,969.08 is: 130,893.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,801.20 : 196,819.68 = 94,969.08 : x
  2. Step 2: Convert to fraction form
    142,801.20/196,819.68 = 94,969.08/x
  3. Step 3: Cross multiply
    142,801.20x = 196,819.68 × 94,969.08
  4. Step 4: Simplify right side
    142,801.20x = 18,691,783,935.49
  5. Step 5: Solve for x
    x = 18,691,783,935.49/142,801.20
  6. Step 6: Final answer
    x = 130,893.75

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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.