Home / 72,137.18-108,218.10-22,216.16

Finding the Fourth Proportional to 72,137.18, 108,218.10 and 22,216.16

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Solution

The fourth proportional to 72,137.18, 108,218.10 and 22,216.16 is: 33,328.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,137.18 : 108,218.10 = 22,216.16 : x
  2. Step 2: Convert to fraction form
    72,137.18/108,218.10 = 22,216.16/x
  3. Step 3: Cross multiply
    72,137.18x = 108,218.10 × 22,216.16
  4. Step 4: Simplify right side
    72,137.18x = 2,404,190,624.50
  5. Step 5: Solve for x
    x = 2,404,190,624.50/72,137.18
  6. Step 6: Final answer
    x = 33,328.04

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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.