Home / 132,727.83-198,971.40-66,188.37

Finding the Fourth Proportional to 132,727.83, 198,971.40 and 66,188.37

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Solution

The fourth proportional to 132,727.83, 198,971.40 and 66,188.37 is: 99,222.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,727.83 : 198,971.40 = 66,188.37 : x
  2. Step 2: Convert to fraction form
    132,727.83/198,971.40 = 66,188.37/x
  3. Step 3: Cross multiply
    132,727.83x = 198,971.40 × 66,188.37
  4. Step 4: Simplify right side
    132,727.83x = 13,169,592,642.62
  5. Step 5: Solve for x
    x = 13,169,592,642.62/132,727.83
  6. Step 6: Final answer
    x = 99,222.54

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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.