Home / 252,069.87-378,215.97-133,712.16

Finding the Fourth Proportional to 252,069.87, 378,215.97 and 133,712.16

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Solution

The fourth proportional to 252,069.87, 378,215.97 and 133,712.16 is: 200,627.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,069.87 : 378,215.97 = 133,712.16 : x
  2. Step 2: Convert to fraction form
    252,069.87/378,215.97 = 133,712.16/x
  3. Step 3: Cross multiply
    252,069.87x = 378,215.97 × 133,712.16
  4. Step 4: Simplify right side
    252,069.87x = 50,572,074,295.20
  5. Step 5: Solve for x
    x = 50,572,074,295.20/252,069.87
  6. Step 6: Final answer
    x = 200,627.21

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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.