Home / 133,051.35-199,577.03-126,490.35

Finding the Fourth Proportional to 133,051.35, 199,577.03 and 126,490.35

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Solution

The fourth proportional to 133,051.35, 199,577.03 and 126,490.35 is: 189,735.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,051.35 : 199,577.03 = 126,490.35 : x
  2. Step 2: Convert to fraction form
    133,051.35/199,577.03 = 126,490.35/x
  3. Step 3: Cross multiply
    133,051.35x = 199,577.03 × 126,490.35
  4. Step 4: Simplify right side
    133,051.35x = 25,244,567,744.21
  5. Step 5: Solve for x
    x = 25,244,567,744.21/133,051.35
  6. Step 6: Final answer
    x = 189,735.53

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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.