Home / 138,028.17-206,709.94-93,519.98

Finding the Fourth Proportional to 138,028.17, 206,709.94 and 93,519.98

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Solution

The fourth proportional to 138,028.17, 206,709.94 and 93,519.98 is: 140,054.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,028.17 : 206,709.94 = 93,519.98 : x
  2. Step 2: Convert to fraction form
    138,028.17/206,709.94 = 93,519.98/x
  3. Step 3: Cross multiply
    138,028.17x = 206,709.94 × 93,519.98
  4. Step 4: Simplify right side
    138,028.17x = 19,331,509,454.60
  5. Step 5: Solve for x
    x = 19,331,509,454.60/138,028.17
  6. Step 6: Final answer
    x = 140,054.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.