Home / 143,031.53-214,548.92-43,192.55

Finding the Fourth Proportional to 143,031.53, 214,548.92 and 43,192.55

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Solution

The fourth proportional to 143,031.53, 214,548.92 and 43,192.55 is: 64,789.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,031.53 : 214,548.92 = 43,192.55 : x
  2. Step 2: Convert to fraction form
    143,031.53/214,548.92 = 43,192.55/x
  3. Step 3: Cross multiply
    143,031.53x = 214,548.92 × 43,192.55
  4. Step 4: Simplify right side
    143,031.53x = 9,266,913,665.84
  5. Step 5: Solve for x
    x = 9,266,913,665.84/143,031.53
  6. Step 6: Final answer
    x = 64,789.31

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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.