Home / 116,808.57-161,201.79-71,472.33

Finding the Fourth Proportional to 116,808.57, 161,201.79 and 71,472.33

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Solution

The fourth proportional to 116,808.57, 161,201.79 and 71,472.33 is: 98,635.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,808.57 : 161,201.79 = 71,472.33 : x
  2. Step 2: Convert to fraction form
    116,808.57/161,201.79 = 71,472.33/x
  3. Step 3: Cross multiply
    116,808.57x = 161,201.79 × 71,472.33
  4. Step 4: Simplify right side
    116,808.57x = 11,521,467,531.47
  5. Step 5: Solve for x
    x = 11,521,467,531.47/116,808.57
  6. Step 6: Final answer
    x = 98,635.46

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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.