Home / 115,206.40-172,833.90-36,328.60

Finding the Fourth Proportional to 115,206.40, 172,833.90 and 36,328.60

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Solution

The fourth proportional to 115,206.40, 172,833.90 and 36,328.60 is: 54,500.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,206.40 : 172,833.90 = 36,328.60 : x
  2. Step 2: Convert to fraction form
    115,206.40/172,833.90 = 36,328.60/x
  3. Step 3: Cross multiply
    115,206.40x = 172,833.90 × 36,328.60
  4. Step 4: Simplify right side
    115,206.40x = 6,278,813,619.54
  5. Step 5: Solve for x
    x = 6,278,813,619.54/115,206.40
  6. Step 6: Final answer
    x = 54,500.56

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.