Home / 134,840.31-202,201.65-71,645.20

Finding the Fourth Proportional to 134,840.31, 202,201.65 and 71,645.20

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Solution

The fourth proportional to 134,840.31, 202,201.65 and 71,645.20 is: 107,436.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,840.31 : 202,201.65 = 71,645.20 : x
  2. Step 2: Convert to fraction form
    134,840.31/202,201.65 = 71,645.20/x
  3. Step 3: Cross multiply
    134,840.31x = 202,201.65 × 71,645.20
  4. Step 4: Simplify right side
    134,840.31x = 14,486,777,654.58
  5. Step 5: Solve for x
    x = 14,486,777,654.58/134,840.31
  6. Step 6: Final answer
    x = 107,436.55

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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.