Home / 143,941.20-215,892.90-44,111.40

Finding the Fourth Proportional to 143,941.20, 215,892.90 and 44,111.40

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Solution

The fourth proportional to 143,941.20, 215,892.90 and 44,111.40 is: 66,161.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,941.20 : 215,892.90 = 44,111.40 : x
  2. Step 2: Convert to fraction form
    143,941.20/215,892.90 = 44,111.40/x
  3. Step 3: Cross multiply
    143,941.20x = 215,892.90 × 44,111.40
  4. Step 4: Simplify right side
    143,941.20x = 9,523,338,069.06
  5. Step 5: Solve for x
    x = 9,523,338,069.06/143,941.20
  6. Step 6: Final answer
    x = 66,161.31

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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.