Home / 231,008.50-345,669.73-136,284.07

Finding the Fourth Proportional to 231,008.50, 345,669.73 and 136,284.07

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Solution

The fourth proportional to 231,008.50, 345,669.73 and 136,284.07 is: 203,928.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,008.50 : 345,669.73 = 136,284.07 : x
  2. Step 2: Convert to fraction form
    231,008.50/345,669.73 = 136,284.07/x
  3. Step 3: Cross multiply
    231,008.50x = 345,669.73 × 136,284.07
  4. Step 4: Simplify right side
    231,008.50x = 47,109,277,680.20
  5. Step 5: Solve for x
    x = 47,109,277,680.20/231,008.50
  6. Step 6: Final answer
    x = 203,928.76

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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.