Home / 180,972.28-249,748.41-109,338.46

Finding the Fourth Proportional to 180,972.28, 249,748.41 and 109,338.46

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Solution

The fourth proportional to 180,972.28, 249,748.41 and 109,338.46 is: 150,891.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,972.28 : 249,748.41 = 109,338.46 : x
  2. Step 2: Convert to fraction form
    180,972.28/249,748.41 = 109,338.46/x
  3. Step 3: Cross multiply
    180,972.28x = 249,748.41 × 109,338.46
  4. Step 4: Simplify right side
    180,972.28x = 27,307,106,322.50
  5. Step 5: Solve for x
    x = 27,307,106,322.50/180,972.28
  6. Step 6: Final answer
    x = 150,891.10

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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.