Home / 139,190.41-208,801.68-44,387.20

Finding the Fourth Proportional to 139,190.41, 208,801.68 and 44,387.20

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Solution

The fourth proportional to 139,190.41, 208,801.68 and 44,387.20 is: 66,585.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,190.41 : 208,801.68 = 44,387.20 : x
  2. Step 2: Convert to fraction form
    139,190.41/208,801.68 = 44,387.20/x
  3. Step 3: Cross multiply
    139,190.41x = 208,801.68 × 44,387.20
  4. Step 4: Simplify right side
    139,190.41x = 9,268,121,930.50
  5. Step 5: Solve for x
    x = 9,268,121,930.50/139,190.41
  6. Step 6: Final answer
    x = 66,585.92

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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.