Home / 132,918.31-199,377.47-39,423.25

Finding the Fourth Proportional to 132,918.31, 199,377.47 and 39,423.25

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Solution

The fourth proportional to 132,918.31, 199,377.47 and 39,423.25 is: 59,134.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,918.31 : 199,377.47 = 39,423.25 : x
  2. Step 2: Convert to fraction form
    132,918.31/199,377.47 = 39,423.25/x
  3. Step 3: Cross multiply
    132,918.31x = 199,377.47 × 39,423.25
  4. Step 4: Simplify right side
    132,918.31x = 7,860,107,844.18
  5. Step 5: Solve for x
    x = 7,860,107,844.18/132,918.31
  6. Step 6: Final answer
    x = 59,134.88

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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.