Home / 139,166.46-208,720.98-68,016.06

Finding the Fourth Proportional to 139,166.46, 208,720.98 and 68,016.06

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Solution

The fourth proportional to 139,166.46, 208,720.98 and 68,016.06 is: 102,010.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,166.46 : 208,720.98 = 68,016.06 : x
  2. Step 2: Convert to fraction form
    139,166.46/208,720.98 = 68,016.06/x
  3. Step 3: Cross multiply
    139,166.46x = 208,720.98 × 68,016.06
  4. Step 4: Simplify right side
    139,166.46x = 14,196,378,698.94
  5. Step 5: Solve for x
    x = 14,196,378,698.94/139,166.46
  6. Step 6: Final answer
    x = 102,010.06

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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.