Home / 180,818.46-249,519.51-100,241.28

Finding the Fourth Proportional to 180,818.46, 249,519.51 and 100,241.28

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Solution

The fourth proportional to 180,818.46, 249,519.51 and 100,241.28 is: 138,327.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,818.46 : 249,519.51 = 100,241.28 : x
  2. Step 2: Convert to fraction form
    180,818.46/249,519.51 = 100,241.28/x
  3. Step 3: Cross multiply
    180,818.46x = 249,519.51 × 100,241.28
  4. Step 4: Simplify right side
    180,818.46x = 25,012,155,067.37
  5. Step 5: Solve for x
    x = 25,012,155,067.37/180,818.46
  6. Step 6: Final answer
    x = 138,327.44

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1.5x scale

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.