Home / 180,922.29-249,688.07-100,375.75

Finding the Fourth Proportional to 180,922.29, 249,688.07 and 100,375.75

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Solution

The fourth proportional to 180,922.29, 249,688.07 and 100,375.75 is: 138,527.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,922.29 : 249,688.07 = 100,375.75 : x
  2. Step 2: Convert to fraction form
    180,922.29/249,688.07 = 100,375.75/x
  3. Step 3: Cross multiply
    180,922.29x = 249,688.07 × 100,375.75
  4. Step 4: Simplify right side
    180,922.29x = 25,062,627,292.30
  5. Step 5: Solve for x
    x = 25,062,627,292.30/180,922.29
  6. Step 6: Final answer
    x = 138,527.03

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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.