Home / 147,945.40-221,874.90-53,164.60

Finding the Fourth Proportional to 147,945.40, 221,874.90 and 53,164.60

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Solution

The fourth proportional to 147,945.40, 221,874.90 and 53,164.60 is: 79,731.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,945.40 : 221,874.90 = 53,164.60 : x
  2. Step 2: Convert to fraction form
    147,945.40/221,874.90 = 53,164.60/x
  3. Step 3: Cross multiply
    147,945.40x = 221,874.90 × 53,164.60
  4. Step 4: Simplify right side
    147,945.40x = 11,795,890,308.54
  5. Step 5: Solve for x
    x = 11,795,890,308.54/147,945.40
  6. Step 6: Final answer
    x = 79,731.38

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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.