Home / 139,109.20-208,679.13-44,317.33

Finding the Fourth Proportional to 139,109.20, 208,679.13 and 44,317.33

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Solution

The fourth proportional to 139,109.20, 208,679.13 and 44,317.33 is: 66,480.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,109.20 : 208,679.13 = 44,317.33 : x
  2. Step 2: Convert to fraction form
    139,109.20/208,679.13 = 44,317.33/x
  3. Step 3: Cross multiply
    139,109.20x = 208,679.13 × 44,317.33
  4. Step 4: Simplify right side
    139,109.20x = 9,248,101,346.63
  5. Step 5: Solve for x
    x = 9,248,101,346.63/139,109.20
  6. Step 6: Final answer
    x = 66,480.88

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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.