Home / 198,973.92-298,564.56-88,140

Finding the Fourth Proportional to 198,973.92, 298,564.56 and 88,140

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Solution

The fourth proportional to 198,973.92, 298,564.56 and 88,140 is: 132,255.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,973.92 : 298,564.56 = 88,140 : x
  2. Step 2: Convert to fraction form
    198,973.92/298,564.56 = 88,140/x
  3. Step 3: Cross multiply
    198,973.92x = 298,564.56 × 88,140
  4. Step 4: Simplify right side
    198,973.92x = 26,315,480,318.40
  5. Step 5: Solve for x
    x = 26,315,480,318.40/198,973.92
  6. Step 6: Final answer
    x = 132,255.93

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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.