Home / 72,189.08-108,295.30-22,257.50

Finding the Fourth Proportional to 72,189.08, 108,295.30 and 22,257.50

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Solution

The fourth proportional to 72,189.08, 108,295.30 and 22,257.50 is: 33,389.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,189.08 : 108,295.30 = 22,257.50 : x
  2. Step 2: Convert to fraction form
    72,189.08/108,295.30 = 22,257.50/x
  3. Step 3: Cross multiply
    72,189.08x = 108,295.30 × 22,257.50
  4. Step 4: Simplify right side
    72,189.08x = 2,410,382,639.75
  5. Step 5: Solve for x
    x = 2,410,382,639.75/72,189.08
  6. Step 6: Final answer
    x = 33,389.85

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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.