Home / 201,787.50-301,933.92-126,306.30

Finding the Fourth Proportional to 201,787.50, 301,933.92 and 126,306.30

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Solution

The fourth proportional to 201,787.50, 301,933.92 and 126,306.30 is: 188,991.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,787.50 : 301,933.92 = 126,306.30 : x
  2. Step 2: Convert to fraction form
    201,787.50/301,933.92 = 126,306.30/x
  3. Step 3: Cross multiply
    201,787.50x = 301,933.92 × 126,306.30
  4. Step 4: Simplify right side
    201,787.50x = 38,136,156,279.70
  5. Step 5: Solve for x
    x = 38,136,156,279.70/201,787.50
  6. Step 6: Final answer
    x = 188,991.67

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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.