Home / 250,008.12-344,942.86-142,538.96

Finding the Fourth Proportional to 250,008.12, 344,942.86 and 142,538.96

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Solution

The fourth proportional to 250,008.12, 344,942.86 and 142,538.96 is: 196,664.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,008.12 : 344,942.86 = 142,538.96 : x
  2. Step 2: Convert to fraction form
    250,008.12/344,942.86 = 142,538.96/x
  3. Step 3: Cross multiply
    250,008.12x = 344,942.86 × 142,538.96
  4. Step 4: Simplify right side
    250,008.12x = 49,167,796,523.83
  5. Step 5: Solve for x
    x = 49,167,796,523.83/250,008.12
  6. Step 6: Final answer
    x = 196,664.80

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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.