Home / 249,882.06-374,822.80-81,402.12

Finding the Fourth Proportional to 249,882.06, 374,822.80 and 81,402.12

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Solution

The fourth proportional to 249,882.06, 374,822.80 and 81,402.12 is: 122,103.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,882.06 : 374,822.80 = 81,402.12 : x
  2. Step 2: Convert to fraction form
    249,882.06/374,822.80 = 81,402.12/x
  3. Step 3: Cross multiply
    249,882.06x = 374,822.80 × 81,402.12
  4. Step 4: Simplify right side
    249,882.06x = 30,511,370,544.34
  5. Step 5: Solve for x
    x = 30,511,370,544.34/249,882.06
  6. Step 6: Final answer
    x = 122,103.09

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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.