Home / 107,982.75-161,974.15-55,358.67

Finding the Fourth Proportional to 107,982.75, 161,974.15 and 55,358.67

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Solution

The fourth proportional to 107,982.75, 161,974.15 and 55,358.67 is: 83,038.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,982.75 : 161,974.15 = 55,358.67 : x
  2. Step 2: Convert to fraction form
    107,982.75/161,974.15 = 55,358.67/x
  3. Step 3: Cross multiply
    107,982.75x = 161,974.15 × 55,358.67
  4. Step 4: Simplify right side
    107,982.75x = 8,966,673,987.39
  5. Step 5: Solve for x
    x = 8,966,673,987.39/107,982.75
  6. Step 6: Final answer
    x = 83,038.02

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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.