Home / 133,039.40-199,559.10-125,166.20

Finding the Fourth Proportional to 133,039.40, 199,559.10 and 125,166.20

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Solution

The fourth proportional to 133,039.40, 199,559.10 and 125,166.20 is: 187,749.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,039.40 : 199,559.10 = 125,166.20 : x
  2. Step 2: Convert to fraction form
    133,039.40/199,559.10 = 125,166.20/x
  3. Step 3: Cross multiply
    133,039.40x = 199,559.10 × 125,166.20
  4. Step 4: Simplify right side
    133,039.40x = 24,978,054,222.42
  5. Step 5: Solve for x
    x = 24,978,054,222.42/133,039.40
  6. Step 6: Final answer
    x = 187,749.30

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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.