Home / 143,972.13-215,989.71-44,140.11

Finding the Fourth Proportional to 143,972.13, 215,989.71 and 44,140.11

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Solution

The fourth proportional to 143,972.13, 215,989.71 and 44,140.11 is: 66,219.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,972.13 : 215,989.71 = 44,140.11 : x
  2. Step 2: Convert to fraction form
    143,972.13/215,989.71 = 44,140.11/x
  3. Step 3: Cross multiply
    143,972.13x = 215,989.71 × 44,140.11
  4. Step 4: Simplify right side
    143,972.13x = 9,533,810,777.63
  5. Step 5: Solve for x
    x = 9,533,810,777.63/143,972.13
  6. Step 6: Final answer
    x = 66,219.83

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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.