Home / 180,664.68-270,899.28-143,464.08

Finding the Fourth Proportional to 180,664.68, 270,899.28 and 143,464.08

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Solution

The fourth proportional to 180,664.68, 270,899.28 and 143,464.08 is: 215,118.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,664.68 : 270,899.28 = 143,464.08 : x
  2. Step 2: Convert to fraction form
    180,664.68/270,899.28 = 143,464.08/x
  3. Step 3: Cross multiply
    180,664.68x = 270,899.28 × 143,464.08
  4. Step 4: Simplify right side
    180,664.68x = 38,864,315,977.86
  5. Step 5: Solve for x
    x = 38,864,315,977.86/180,664.68
  6. Step 6: Final answer
    x = 215,118.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.