Home / 207,900.52-286,976.44-123,017.38

Finding the Fourth Proportional to 207,900.52, 286,976.44 and 123,017.38

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Solution

The fourth proportional to 207,900.52, 286,976.44 and 123,017.38 is: 169,807.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,900.52 : 286,976.44 = 123,017.38 : x
  2. Step 2: Convert to fraction form
    207,900.52/286,976.44 = 123,017.38/x
  3. Step 3: Cross multiply
    207,900.52x = 286,976.44 × 123,017.38
  4. Step 4: Simplify right side
    207,900.52x = 35,303,089,770.53
  5. Step 5: Solve for x
    x = 35,303,089,770.53/207,900.52
  6. Step 6: Final answer
    x = 169,807.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.