Home / 148,991.50-223,627.70-54,313.19

Finding the Fourth Proportional to 148,991.50, 223,627.70 and 54,313.19

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Solution

The fourth proportional to 148,991.50, 223,627.70 and 54,313.19 is: 81,520.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,991.50 : 223,627.70 = 54,313.19 : x
  2. Step 2: Convert to fraction form
    148,991.50/223,627.70 = 54,313.19/x
  3. Step 3: Cross multiply
    148,991.50x = 223,627.70 × 54,313.19
  4. Step 4: Simplify right side
    148,991.50x = 12,145,933,759.36
  5. Step 5: Solve for x
    x = 12,145,933,759.36/148,991.50
  6. Step 6: Final answer
    x = 81,520.98

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1.5x scale

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.