Home / 107,629.31-161,437.40-40,148.31

Finding the Fourth Proportional to 107,629.31, 161,437.40 and 40,148.31

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Solution

The fourth proportional to 107,629.31, 161,437.40 and 40,148.31 is: 60,220.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,629.31 : 161,437.40 = 40,148.31 : x
  2. Step 2: Convert to fraction form
    107,629.31/161,437.40 = 40,148.31/x
  3. Step 3: Cross multiply
    107,629.31x = 161,437.40 × 40,148.31
  4. Step 4: Simplify right side
    107,629.31x = 6,481,438,780.79
  5. Step 5: Solve for x
    x = 6,481,438,780.79/107,629.31
  6. Step 6: Final answer
    x = 60,220.02

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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.