Home / 143,981.43-216,003.65-44,149.40

Finding the Fourth Proportional to 143,981.43, 216,003.65 and 44,149.40

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Solution

The fourth proportional to 143,981.43, 216,003.65 and 44,149.40 is: 66,233.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,981.43 : 216,003.65 = 44,149.40 : x
  2. Step 2: Convert to fraction form
    143,981.43/216,003.65 = 44,149.40/x
  3. Step 3: Cross multiply
    143,981.43x = 216,003.65 × 44,149.40
  4. Step 4: Simplify right side
    143,981.43x = 9,536,432,269.58
  5. Step 5: Solve for x
    x = 9,536,432,269.58/143,981.43
  6. Step 6: Final answer
    x = 66,233.76

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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.