Home / 72,079.05-108,128.93-22,163.34

Finding the Fourth Proportional to 72,079.05, 108,128.93 and 22,163.34

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Solution

The fourth proportional to 72,079.05, 108,128.93 and 22,163.34 is: 33,248.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,079.05 : 108,128.93 = 22,163.34 : x
  2. Step 2: Convert to fraction form
    72,079.05/108,128.93 = 22,163.34/x
  3. Step 3: Cross multiply
    72,079.05x = 108,128.93 × 22,163.34
  4. Step 4: Simplify right side
    72,079.05x = 2,396,497,811.83
  5. Step 5: Solve for x
    x = 2,396,497,811.83/72,079.05
  6. Step 6: Final answer
    x = 33,248.19

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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.