Home / 110,428.95-165,519.19-47,217.36

Finding the Fourth Proportional to 110,428.95, 165,519.19 and 47,217.36

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Solution

The fourth proportional to 110,428.95, 165,519.19 and 47,217.36 is: 70,772.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,428.95 : 165,519.19 = 47,217.36 : x
  2. Step 2: Convert to fraction form
    110,428.95/165,519.19 = 47,217.36/x
  3. Step 3: Cross multiply
    110,428.95x = 165,519.19 × 47,217.36
  4. Step 4: Simplify right side
    110,428.95x = 7,815,379,181.14
  5. Step 5: Solve for x
    x = 7,815,379,181.14/110,428.95
  6. Step 6: Final answer
    x = 70,772.92

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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.