Home / 143,252.28-214,784.46-80,079.17

Finding the Fourth Proportional to 143,252.28, 214,784.46 and 80,079.17

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Solution

The fourth proportional to 143,252.28, 214,784.46 and 80,079.17 is: 120,066.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,252.28 : 214,784.46 = 80,079.17 : x
  2. Step 2: Convert to fraction form
    143,252.28/214,784.46 = 80,079.17/x
  3. Step 3: Cross multiply
    143,252.28x = 214,784.46 × 80,079.17
  4. Step 4: Simplify right side
    143,252.28x = 17,199,760,211.78
  5. Step 5: Solve for x
    x = 17,199,760,211.78/143,252.28
  6. Step 6: Final answer
    x = 120,066.22

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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.