Home / 72,189.18-108,283.77-35,221.50

Finding the Fourth Proportional to 72,189.18, 108,283.77 and 35,221.50

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Solution

The fourth proportional to 72,189.18, 108,283.77 and 35,221.50 is: 52,832.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,189.18 : 108,283.77 = 35,221.50 : x
  2. Step 2: Convert to fraction form
    72,189.18/108,283.77 = 35,221.50/x
  3. Step 3: Cross multiply
    72,189.18x = 108,283.77 × 35,221.50
  4. Step 4: Simplify right side
    72,189.18x = 3,813,916,805.06
  5. Step 5: Solve for x
    x = 3,813,916,805.06/72,189.18
  6. Step 6: Final answer
    x = 52,832.25

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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.