Home / 249,881.03-374,821.26-81,401.09

Finding the Fourth Proportional to 249,881.03, 374,821.26 and 81,401.09

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Solution

The fourth proportional to 249,881.03, 374,821.26 and 81,401.09 is: 122,101.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,881.03 : 374,821.26 = 81,401.09 : x
  2. Step 2: Convert to fraction form
    249,881.03/374,821.26 = 81,401.09/x
  3. Step 3: Cross multiply
    249,881.03x = 374,821.26 × 81,401.09
  4. Step 4: Simplify right side
    249,881.03x = 30,510,859,658.69
  5. Step 5: Solve for x
    x = 30,510,859,658.69/249,881.03
  6. Step 6: Final answer
    x = 122,101.54

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1.5x scale

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.