Home / 139,208.06-208,834.70-43,122.83

Finding the Fourth Proportional to 139,208.06, 208,834.70 and 43,122.83

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Solution

The fourth proportional to 139,208.06, 208,834.70 and 43,122.83 is: 64,691.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,208.06 : 208,834.70 = 43,122.83 : x
  2. Step 2: Convert to fraction form
    139,208.06/208,834.70 = 43,122.83/x
  3. Step 3: Cross multiply
    139,208.06x = 208,834.70 × 43,122.83
  4. Step 4: Simplify right side
    139,208.06x = 9,005,543,896.09
  5. Step 5: Solve for x
    x = 9,005,543,896.09/139,208.06
  6. Step 6: Final answer
    x = 64,691.25

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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.