Home / 99,799.30-149,763.20-39,817.54

Finding the Fourth Proportional to 99,799.30, 149,763.20 and 39,817.54

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Solution

The fourth proportional to 99,799.30, 149,763.20 and 39,817.54 is: 59,751.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,799.30 : 149,763.20 = 39,817.54 : x
  2. Step 2: Convert to fraction form
    99,799.30/149,763.20 = 39,817.54/x
  3. Step 3: Cross multiply
    99,799.30x = 149,763.20 × 39,817.54
  4. Step 4: Simplify right side
    99,799.30x = 5,963,202,206.53
  5. Step 5: Solve for x
    x = 5,963,202,206.53/99,799.30
  6. Step 6: Final answer
    x = 59,751.94

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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.