Home / 110,224.74-165,285.26-76,982.34

Finding the Fourth Proportional to 110,224.74, 165,285.26 and 76,982.34

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Solution

The fourth proportional to 110,224.74, 165,285.26 and 76,982.34 is: 115,437.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,224.74 : 165,285.26 = 76,982.34 : x
  2. Step 2: Convert to fraction form
    110,224.74/165,285.26 = 76,982.34/x
  3. Step 3: Cross multiply
    110,224.74x = 165,285.26 × 76,982.34
  4. Step 4: Simplify right side
    110,224.74x = 12,724,046,082.31
  5. Step 5: Solve for x
    x = 12,724,046,082.31/110,224.74
  6. Step 6: Final answer
    x = 115,437.30

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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.