Home / 138,767.62-191,369.34-92,117.98

Finding the Fourth Proportional to 138,767.62, 191,369.34 and 92,117.98

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Solution

The fourth proportional to 138,767.62, 191,369.34 and 92,117.98 is: 127,036.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,767.62 : 191,369.34 = 92,117.98 : x
  2. Step 2: Convert to fraction form
    138,767.62/191,369.34 = 92,117.98/x
  3. Step 3: Cross multiply
    138,767.62x = 191,369.34 × 92,117.98
  4. Step 4: Simplify right side
    138,767.62x = 17,628,557,034.73
  5. Step 5: Solve for x
    x = 17,628,557,034.73/138,767.62
  6. Step 6: Final answer
    x = 127,036.53

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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.