Home / 142,691.47-196,913.73-82,261.82

Finding the Fourth Proportional to 142,691.47, 196,913.73 and 82,261.82

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Solution

The fourth proportional to 142,691.47, 196,913.73 and 82,261.82 is: 113,521.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,691.47 : 196,913.73 = 82,261.82 : x
  2. Step 2: Convert to fraction form
    142,691.47/196,913.73 = 82,261.82/x
  3. Step 3: Cross multiply
    142,691.47x = 196,913.73 × 82,261.82
  4. Step 4: Simplify right side
    142,691.47x = 16,198,482,305.07
  5. Step 5: Solve for x
    x = 16,198,482,305.07/142,691.47
  6. Step 6: Final answer
    x = 113,521.03

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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.