Home / 180,721.56-249,396.33-100,150.41

Finding the Fourth Proportional to 180,721.56, 249,396.33 and 100,150.41

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Solution

The fourth proportional to 180,721.56, 249,396.33 and 100,150.41 is: 138,207.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,721.56 : 249,396.33 = 100,150.41 : x
  2. Step 2: Convert to fraction form
    180,721.56/249,396.33 = 100,150.41/x
  3. Step 3: Cross multiply
    180,721.56x = 249,396.33 × 100,150.41
  4. Step 4: Simplify right side
    180,721.56x = 24,977,144,702.00
  5. Step 5: Solve for x
    x = 24,977,144,702.00/180,721.56
  6. Step 6: Final answer
    x = 138,207.89

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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.