Home / 84,220.30-116,243.56-55,545.14

Finding the Fourth Proportional to 84,220.30, 116,243.56 and 55,545.14

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Solution

The fourth proportional to 84,220.30, 116,243.56 and 55,545.14 is: 76,665.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,220.30 : 116,243.56 = 55,545.14 : x
  2. Step 2: Convert to fraction form
    84,220.30/116,243.56 = 55,545.14/x
  3. Step 3: Cross multiply
    84,220.30x = 116,243.56 × 55,545.14
  4. Step 4: Simplify right side
    84,220.30x = 6,456,764,814.30
  5. Step 5: Solve for x
    x = 6,456,764,814.30/84,220.30
  6. Step 6: Final answer
    x = 76,665.18

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1.5x scale

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.