Home / 148,989-223,623.95-54,310.69

Finding the Fourth Proportional to 148,989, 223,623.95 and 54,310.69

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Solution

The fourth proportional to 148,989, 223,623.95 and 54,310.69 is: 81,517.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,989 : 223,623.95 = 54,310.69 : x
  2. Step 2: Convert to fraction form
    148,989/223,623.95 = 54,310.69/x
  3. Step 3: Cross multiply
    148,989x = 223,623.95 × 54,310.69
  4. Step 4: Simplify right side
    148,989x = 12,145,170,194.41
  5. Step 5: Solve for x
    x = 12,145,170,194.41/148,989
  6. Step 6: Final answer
    x = 81,517.23

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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.