Home / 109,930.74-164,883.15-49,148.34

Finding the Fourth Proportional to 109,930.74, 164,883.15 and 49,148.34

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Solution

The fourth proportional to 109,930.74, 164,883.15 and 49,148.34 is: 73,716.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,930.74 : 164,883.15 = 49,148.34 : x
  2. Step 2: Convert to fraction form
    109,930.74/164,883.15 = 49,148.34/x
  3. Step 3: Cross multiply
    109,930.74x = 164,883.15 × 49,148.34
  4. Step 4: Simplify right side
    109,930.74x = 8,103,733,116.47
  5. Step 5: Solve for x
    x = 8,103,733,116.47/109,930.74
  6. Step 6: Final answer
    x = 73,716.72

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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.