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Finding the Fourth Proportional to 143,814.98, 215,722.49 and 43,975.18

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Solution

The fourth proportional to 143,814.98, 215,722.49 and 43,975.18 is: 65,962.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,814.98 : 215,722.49 = 43,975.18 : x
  2. Step 2: Convert to fraction form
    143,814.98/215,722.49 = 43,975.18/x
  3. Step 3: Cross multiply
    143,814.98x = 215,722.49 × 43,975.18
  4. Step 4: Simplify right side
    143,814.98x = 9,486,435,018.22
  5. Step 5: Solve for x
    x = 9,486,435,018.22/143,814.98
  6. Step 6: Final answer
    x = 65,962.77

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Similar ratio
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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.