Home / 72,162.97-108,256.20-22,243.07

Finding the Fourth Proportional to 72,162.97, 108,256.20 and 22,243.07

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Solution

The fourth proportional to 72,162.97, 108,256.20 and 22,243.07 is: 33,368.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,162.97 : 108,256.20 = 22,243.07 : x
  2. Step 2: Convert to fraction form
    72,162.97/108,256.20 = 22,243.07/x
  3. Step 3: Cross multiply
    72,162.97x = 108,256.20 × 22,243.07
  4. Step 4: Simplify right side
    72,162.97x = 2,407,950,421.76
  5. Step 5: Solve for x
    x = 2,407,950,421.76/72,162.97
  6. Step 6: Final answer
    x = 33,368.23

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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.