Home / 147,770.70-221,656.05-133,485.90

Finding the Fourth Proportional to 147,770.70, 221,656.05 and 133,485.90

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Solution

The fourth proportional to 147,770.70, 221,656.05 and 133,485.90 is: 200,228.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,770.70 : 221,656.05 = 133,485.90 : x
  2. Step 2: Convert to fraction form
    147,770.70/221,656.05 = 133,485.90/x
  3. Step 3: Cross multiply
    147,770.70x = 221,656.05 × 133,485.90
  4. Step 4: Simplify right side
    147,770.70x = 29,587,957,324.70
  5. Step 5: Solve for x
    x = 29,587,957,324.70/147,770.70
  6. Step 6: Final answer
    x = 200,228.85

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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.