Home / 143,031.83-214,549.28-43,192.88

Finding the Fourth Proportional to 143,031.83, 214,549.28 and 43,192.88

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Solution

The fourth proportional to 143,031.83, 214,549.28 and 43,192.88 is: 64,789.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,031.83 : 214,549.28 = 43,192.88 : x
  2. Step 2: Convert to fraction form
    143,031.83/214,549.28 = 43,192.88/x
  3. Step 3: Cross multiply
    143,031.83x = 214,549.28 × 43,192.88
  4. Step 4: Simplify right side
    143,031.83x = 9,267,001,305.13
  5. Step 5: Solve for x
    x = 9,267,001,305.13/143,031.83
  6. Step 6: Final answer
    x = 64,789.78

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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.