Home / 180,764.46-249,469.90-100,217.26

Finding the Fourth Proportional to 180,764.46, 249,469.90 and 100,217.26

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Solution

The fourth proportional to 180,764.46, 249,469.90 and 100,217.26 is: 138,308.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,764.46 : 249,469.90 = 100,217.26 : x
  2. Step 2: Convert to fraction form
    180,764.46/249,469.90 = 100,217.26/x
  3. Step 3: Cross multiply
    180,764.46x = 249,469.90 × 100,217.26
  4. Step 4: Simplify right side
    180,764.46x = 25,001,189,830.47
  5. Step 5: Solve for x
    x = 25,001,189,830.47/180,764.46
  6. Step 6: Final answer
    x = 138,308.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.