Home / 149,654.44-206,558.48-86,029.15

Finding the Fourth Proportional to 149,654.44, 206,558.48 and 86,029.15

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Solution

The fourth proportional to 149,654.44, 206,558.48 and 86,029.15 is: 118,740.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,654.44 : 206,558.48 = 86,029.15 : x
  2. Step 2: Convert to fraction form
    149,654.44/206,558.48 = 86,029.15/x
  3. Step 3: Cross multiply
    149,654.44x = 206,558.48 × 86,029.15
  4. Step 4: Simplify right side
    149,654.44x = 17,770,050,459.69
  5. Step 5: Solve for x
    x = 17,770,050,459.69/149,654.44
  6. Step 6: Final answer
    x = 118,740.55

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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.