Home / 148,211.35-204,532.16-80,228.31

Finding the Fourth Proportional to 148,211.35, 204,532.16 and 80,228.31

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Solution

The fourth proportional to 148,211.35, 204,532.16 and 80,228.31 is: 110,715.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,211.35 : 204,532.16 = 80,228.31 : x
  2. Step 2: Convert to fraction form
    148,211.35/204,532.16 = 80,228.31/x
  3. Step 3: Cross multiply
    148,211.35x = 204,532.16 × 80,228.31
  4. Step 4: Simplify right side
    148,211.35x = 16,409,269,046.24
  5. Step 5: Solve for x
    x = 16,409,269,046.24/148,211.35
  6. Step 6: Final answer
    x = 110,715.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.