Home / 72,100.16-108,150.48-22,179.92

Finding the Fourth Proportional to 72,100.16, 108,150.48 and 22,179.92

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Solution

The fourth proportional to 72,100.16, 108,150.48 and 22,179.92 is: 33,269.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,100.16 : 108,150.48 = 22,179.92 : x
  2. Step 2: Convert to fraction form
    72,100.16/108,150.48 = 22,179.92/x
  3. Step 3: Cross multiply
    72,100.16x = 108,150.48 × 22,179.92
  4. Step 4: Simplify right side
    72,100.16x = 2,398,768,994.36
  5. Step 5: Solve for x
    x = 2,398,768,994.36/72,100.16
  6. Step 6: Final answer
    x = 33,269.95

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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.