Home / 143,929.05-215,941.34-44,090.22

Finding the Fourth Proportional to 143,929.05, 215,941.34 and 44,090.22

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Solution

The fourth proportional to 143,929.05, 215,941.34 and 44,090.22 is: 66,149.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,929.05 : 215,941.34 = 44,090.22 : x
  2. Step 2: Convert to fraction form
    143,929.05/215,941.34 = 44,090.22/x
  3. Step 3: Cross multiply
    143,929.05x = 215,941.34 × 44,090.22
  4. Step 4: Simplify right side
    143,929.05x = 9,520,902,107.70
  5. Step 5: Solve for x
    x = 9,520,902,107.70/143,929.05
  6. Step 6: Final answer
    x = 66,149.97

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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.