Home / 139,108.82-208,679.52-44,305.70

Finding the Fourth Proportional to 139,108.82, 208,679.52 and 44,305.70

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Solution

The fourth proportional to 139,108.82, 208,679.52 and 44,305.70 is: 66,463.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,108.82 : 208,679.52 = 44,305.70 : x
  2. Step 2: Convert to fraction form
    139,108.82/208,679.52 = 44,305.70/x
  3. Step 3: Cross multiply
    139,108.82x = 208,679.52 × 44,305.70
  4. Step 4: Simplify right side
    139,108.82x = 9,245,692,209.26
  5. Step 5: Solve for x
    x = 9,245,692,209.26/139,108.82
  6. Step 6: Final answer
    x = 66,463.74

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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.