Home / 148,971.40-223,629.90-89,873.80

Finding the Fourth Proportional to 148,971.40, 223,629.90 and 89,873.80

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Solution

The fourth proportional to 148,971.40, 223,629.90 and 89,873.80 is: 134,914.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,971.40 : 223,629.90 = 89,873.80 : x
  2. Step 2: Convert to fraction form
    148,971.40/223,629.90 = 89,873.80/x
  3. Step 3: Cross multiply
    148,971.40x = 223,629.90 × 89,873.80
  4. Step 4: Simplify right side
    148,971.40x = 20,098,468,906.62
  5. Step 5: Solve for x
    x = 20,098,468,906.62/148,971.40
  6. Step 6: Final answer
    x = 134,914.95

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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.