Home / 133,272.20-199,908.30-71,064.20

Finding the Fourth Proportional to 133,272.20, 199,908.30 and 71,064.20

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Solution

The fourth proportional to 133,272.20, 199,908.30 and 71,064.20 is: 106,596.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,272.20 : 199,908.30 = 71,064.20 : x
  2. Step 2: Convert to fraction form
    133,272.20/199,908.30 = 71,064.20/x
  3. Step 3: Cross multiply
    133,272.20x = 199,908.30 × 71,064.20
  4. Step 4: Simplify right side
    133,272.20x = 14,206,323,412.86
  5. Step 5: Solve for x
    x = 14,206,323,412.86/133,272.20
  6. Step 6: Final answer
    x = 106,596.30

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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.