Home / 72,111.24-108,177.11-22,195.50

Finding the Fourth Proportional to 72,111.24, 108,177.11 and 22,195.50

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Solution

The fourth proportional to 72,111.24, 108,177.11 and 22,195.50 is: 33,296.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,111.24 : 108,177.11 = 22,195.50 : x
  2. Step 2: Convert to fraction form
    72,111.24/108,177.11 = 22,195.50/x
  3. Step 3: Cross multiply
    72,111.24x = 108,177.11 × 22,195.50
  4. Step 4: Simplify right side
    72,111.24x = 2,401,044,939.28
  5. Step 5: Solve for x
    x = 2,401,044,939.28/72,111.24
  6. Step 6: Final answer
    x = 33,296.40

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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.