Home / 133,889.32-200,858.58-109,146.20

Finding the Fourth Proportional to 133,889.32, 200,858.58 and 109,146.20

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Solution

The fourth proportional to 133,889.32, 200,858.58 and 109,146.20 is: 163,739.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,889.32 : 200,858.58 = 109,146.20 : x
  2. Step 2: Convert to fraction form
    133,889.32/200,858.58 = 109,146.20/x
  3. Step 3: Cross multiply
    133,889.32x = 200,858.58 × 109,146.20
  4. Step 4: Simplify right side
    133,889.32x = 21,922,950,744.40
  5. Step 5: Solve for x
    x = 21,922,950,744.40/133,889.32
  6. Step 6: Final answer
    x = 163,739.35

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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.