Home / 137,794.11-190,141.20-77,371.35

Finding the Fourth Proportional to 137,794.11, 190,141.20 and 77,371.35

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Solution

The fourth proportional to 137,794.11, 190,141.20 and 77,371.35 is: 106,764.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,794.11 : 190,141.20 = 77,371.35 : x
  2. Step 2: Convert to fraction form
    137,794.11/190,141.20 = 77,371.35/x
  3. Step 3: Cross multiply
    137,794.11x = 190,141.20 × 77,371.35
  4. Step 4: Simplify right side
    137,794.11x = 14,711,481,334.62
  5. Step 5: Solve for x
    x = 14,711,481,334.62/137,794.11
  6. Step 6: Final answer
    x = 106,764.22

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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.