Home / 142,934.22-197,159.13-92,013.48

Finding the Fourth Proportional to 142,934.22, 197,159.13 and 92,013.48

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Solution

The fourth proportional to 142,934.22, 197,159.13 and 92,013.48 is: 126,920.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,934.22 : 197,159.13 = 92,013.48 : x
  2. Step 2: Convert to fraction form
    142,934.22/197,159.13 = 92,013.48/x
  3. Step 3: Cross multiply
    142,934.22x = 197,159.13 × 92,013.48
  4. Step 4: Simplify right side
    142,934.22x = 18,141,297,665.07
  5. Step 5: Solve for x
    x = 18,141,297,665.07/142,934.22
  6. Step 6: Final answer
    x = 126,920.60

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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.