Home / 148,989.75-223,625.07-54,311.45

Finding the Fourth Proportional to 148,989.75, 223,625.07 and 54,311.45

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Solution

The fourth proportional to 148,989.75, 223,625.07 and 54,311.45 is: 81,518.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,989.75 : 223,625.07 = 54,311.45 : x
  2. Step 2: Convert to fraction form
    148,989.75/223,625.07 = 54,311.45/x
  3. Step 3: Cross multiply
    148,989.75x = 223,625.07 × 54,311.45
  4. Step 4: Simplify right side
    148,989.75x = 12,145,400,689.93
  5. Step 5: Solve for x
    x = 12,145,400,689.93/148,989.75
  6. Step 6: Final answer
    x = 81,518.36

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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.