Home / 491,166.40-736,749.62-136,180.42

Finding the Fourth Proportional to 491,166.40, 736,749.62 and 136,180.42

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Solution

The fourth proportional to 491,166.40, 736,749.62 and 136,180.42 is: 204,270.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,166.40 : 736,749.62 = 136,180.42 : x
  2. Step 2: Convert to fraction form
    491,166.40/736,749.62 = 136,180.42/x
  3. Step 3: Cross multiply
    491,166.40x = 736,749.62 × 136,180.42
  4. Step 4: Simplify right side
    491,166.40x = 100,330,872,686.44
  5. Step 5: Solve for x
    x = 100,330,872,686.44/491,166.40
  6. Step 6: Final answer
    x = 204,270.64

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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.