Home / 149,783.58-206,615.61-106,772.58

Finding the Fourth Proportional to 149,783.58, 206,615.61 and 106,772.58

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Solution

The fourth proportional to 149,783.58, 206,615.61 and 106,772.58 is: 147,285.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,783.58 : 206,615.61 = 106,772.58 : x
  2. Step 2: Convert to fraction form
    149,783.58/206,615.61 = 106,772.58/x
  3. Step 3: Cross multiply
    149,783.58x = 206,615.61 × 106,772.58
  4. Step 4: Simplify right side
    149,783.58x = 22,060,881,747.97
  5. Step 5: Solve for x
    x = 22,060,881,747.97/149,783.58
  6. Step 6: Final answer
    x = 147,285.05

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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.