Home / 454,556.85-681,725.93-139,016.49

Finding the Fourth Proportional to 454,556.85, 681,725.93 and 139,016.49

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Solution

The fourth proportional to 454,556.85, 681,725.93 and 139,016.49 is: 208,491.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,556.85 : 681,725.93 = 139,016.49 : x
  2. Step 2: Convert to fraction form
    454,556.85/681,725.93 = 139,016.49/x
  3. Step 3: Cross multiply
    454,556.85x = 681,725.93 × 139,016.49
  4. Step 4: Simplify right side
    454,556.85x = 94,771,145,235.50
  5. Step 5: Solve for x
    x = 94,771,145,235.50/454,556.85
  6. Step 6: Final answer
    x = 208,491.29

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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.