Home / 142,137.44-196,072.04-99,048.68

Finding the Fourth Proportional to 142,137.44, 196,072.04 and 99,048.68

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Solution

The fourth proportional to 142,137.44, 196,072.04 and 99,048.68 is: 136,633.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,137.44 : 196,072.04 = 99,048.68 : x
  2. Step 2: Convert to fraction form
    142,137.44/196,072.04 = 99,048.68/x
  3. Step 3: Cross multiply
    142,137.44x = 196,072.04 × 99,048.68
  4. Step 4: Simplify right side
    142,137.44x = 19,420,676,251.66
  5. Step 5: Solve for x
    x = 19,420,676,251.66/142,137.44
  6. Step 6: Final answer
    x = 136,633.08

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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.