Home / 180,922.30-249,688.08-100,375.75

Finding the Fourth Proportional to 180,922.30, 249,688.08 and 100,375.75

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Solution

The fourth proportional to 180,922.30, 249,688.08 and 100,375.75 is: 138,527.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,922.30 : 249,688.08 = 100,375.75 : x
  2. Step 2: Convert to fraction form
    180,922.30/249,688.08 = 100,375.75/x
  3. Step 3: Cross multiply
    180,922.30x = 249,688.08 × 100,375.75
  4. Step 4: Simplify right side
    180,922.30x = 25,062,628,296.06
  5. Step 5: Solve for x
    x = 25,062,628,296.06/180,922.30
  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.