Home / 152,725.38-228,996.03-68,470.29

Finding the Fourth Proportional to 152,725.38, 228,996.03 and 68,470.29

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Solution

The fourth proportional to 152,725.38, 228,996.03 and 68,470.29 is: 102,664.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,725.38 : 228,996.03 = 68,470.29 : x
  2. Step 2: Convert to fraction form
    152,725.38/228,996.03 = 68,470.29/x
  3. Step 3: Cross multiply
    152,725.38x = 228,996.03 × 68,470.29
  4. Step 4: Simplify right side
    152,725.38x = 15,679,424,582.95
  5. Step 5: Solve for x
    x = 15,679,424,582.95/152,725.38
  6. Step 6: Final answer
    x = 102,664.17

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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.