Home / 180,922.05-249,702.32-100,375.53

Finding the Fourth Proportional to 180,922.05, 249,702.32 and 100,375.53

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Solution

The fourth proportional to 180,922.05, 249,702.32 and 100,375.53 is: 138,534.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,922.05 : 249,702.32 = 100,375.53 : x
  2. Step 2: Convert to fraction form
    180,922.05/249,702.32 = 100,375.53/x
  3. Step 3: Cross multiply
    180,922.05x = 249,702.32 × 100,375.53
  4. Step 4: Simplify right side
    180,922.05x = 25,064,002,712.23
  5. Step 5: Solve for x
    x = 25,064,002,712.23/180,922.05
  6. Step 6: Final answer
    x = 138,534.81

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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.