Home / 143,003.79-214,536.51-43,155.63

Finding the Fourth Proportional to 143,003.79, 214,536.51 and 43,155.63

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Solution

The fourth proportional to 143,003.79, 214,536.51 and 43,155.63 is: 64,742.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,003.79 : 214,536.51 = 43,155.63 : x
  2. Step 2: Convert to fraction form
    143,003.79/214,536.51 = 43,155.63/x
  3. Step 3: Cross multiply
    143,003.79x = 214,536.51 × 43,155.63
  4. Step 4: Simplify right side
    143,003.79x = 9,258,458,247.05
  5. Step 5: Solve for x
    x = 9,258,458,247.05/143,003.79
  6. Step 6: Final answer
    x = 64,742.75

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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.