Home / 180,744.03-249,426.77-100,183.68

Finding the Fourth Proportional to 180,744.03, 249,426.77 and 100,183.68

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Solution

The fourth proportional to 180,744.03, 249,426.77 and 100,183.68 is: 138,253.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,744.03 : 249,426.77 = 100,183.68 : x
  2. Step 2: Convert to fraction form
    180,744.03/249,426.77 = 100,183.68/x
  3. Step 3: Cross multiply
    180,744.03x = 249,426.77 × 100,183.68
  4. Step 4: Simplify right side
    180,744.03x = 24,988,491,208.20
  5. Step 5: Solve for x
    x = 24,988,491,208.20/180,744.03
  6. Step 6: Final answer
    x = 138,253.48

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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.