Home / 149,724.92-206,374.23-106,132.07

Finding the Fourth Proportional to 149,724.92, 206,374.23 and 106,132.07

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Solution

The fourth proportional to 149,724.92, 206,374.23 and 106,132.07 is: 146,287.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,724.92 : 206,374.23 = 106,132.07 : x
  2. Step 2: Convert to fraction form
    149,724.92/206,374.23 = 106,132.07/x
  3. Step 3: Cross multiply
    149,724.92x = 206,374.23 × 106,132.07
  4. Step 4: Simplify right side
    149,724.92x = 21,902,924,740.49
  5. Step 5: Solve for x
    x = 21,902,924,740.49/149,724.92
  6. Step 6: Final answer
    x = 146,287.77

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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.