Home / 275,145.30-412,199.55-141,570.90

Finding the Fourth Proportional to 275,145.30, 412,199.55 and 141,570.90

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Solution

The fourth proportional to 275,145.30, 412,199.55 and 141,570.90 is: 212,089.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,145.30 : 412,199.55 = 141,570.90 : x
  2. Step 2: Convert to fraction form
    275,145.30/412,199.55 = 141,570.90/x
  3. Step 3: Cross multiply
    275,145.30x = 412,199.55 × 141,570.90
  4. Step 4: Simplify right side
    275,145.30x = 58,355,461,273.10
  5. Step 5: Solve for x
    x = 58,355,461,273.10/275,145.30
  6. Step 6: Final answer
    x = 212,089.62

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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.