Home / 249,680.96-374,556.98-81,147.10

Finding the Fourth Proportional to 249,680.96, 374,556.98 and 81,147.10

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Solution

The fourth proportional to 249,680.96, 374,556.98 and 81,147.10 is: 121,732.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,680.96 : 374,556.98 = 81,147.10 : x
  2. Step 2: Convert to fraction form
    249,680.96/374,556.98 = 81,147.10/x
  3. Step 3: Cross multiply
    249,680.96x = 374,556.98 × 81,147.10
  4. Step 4: Simplify right side
    249,680.96x = 30,394,212,711.76
  5. Step 5: Solve for x
    x = 30,394,212,711.76/249,680.96
  6. Step 6: Final answer
    x = 121,732.20

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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.