Home / 249,882.32-374,823.20-81,402.39

Finding the Fourth Proportional to 249,882.32, 374,823.20 and 81,402.39

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Solution

The fourth proportional to 249,882.32, 374,823.20 and 81,402.39 is: 122,103.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,882.32 : 374,823.20 = 81,402.39 : x
  2. Step 2: Convert to fraction form
    249,882.32/374,823.20 = 81,402.39/x
  3. Step 3: Cross multiply
    249,882.32x = 374,823.20 × 81,402.39
  4. Step 4: Simplify right side
    249,882.32x = 30,511,505,107.26
  5. Step 5: Solve for x
    x = 30,511,505,107.26/249,882.32
  6. Step 6: Final answer
    x = 122,103.50

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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.