Home / 249,680.84-374,556.80-81,146.97

Finding the Fourth Proportional to 249,680.84, 374,556.80 and 81,146.97

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Solution

The fourth proportional to 249,680.84, 374,556.80 and 81,146.97 is: 121,732.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,680.84 : 374,556.80 = 81,146.97 : x
  2. Step 2: Convert to fraction form
    249,680.84/374,556.80 = 81,146.97/x
  3. Step 3: Cross multiply
    249,680.84x = 374,556.80 × 81,146.97
  4. Step 4: Simplify right side
    249,680.84x = 30,394,149,615.76
  5. Step 5: Solve for x
    x = 30,394,149,615.76/249,680.84
  6. Step 6: Final answer
    x = 121,732.01

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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.