Home / 180,956.58-249,719.79-100,396.38

Finding the Fourth Proportional to 180,956.58, 249,719.79 and 100,396.38

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Solution

The fourth proportional to 180,956.58, 249,719.79 and 100,396.38 is: 138,546.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,956.58 : 249,719.79 = 100,396.38 : x
  2. Step 2: Convert to fraction form
    180,956.58/249,719.79 = 100,396.38/x
  3. Step 3: Cross multiply
    180,956.58x = 249,719.79 × 100,396.38
  4. Step 4: Simplify right side
    180,956.58x = 25,070,962,930.36
  5. Step 5: Solve for x
    x = 25,070,962,930.36/180,956.58
  6. Step 6: Final answer
    x = 138,546.84

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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.