Home / 219,163.02-328,892.16-86,027.52

Finding the Fourth Proportional to 219,163.02, 328,892.16 and 86,027.52

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Solution

The fourth proportional to 219,163.02, 328,892.16 and 86,027.52 is: 129,099.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,163.02 : 328,892.16 = 86,027.52 : x
  2. Step 2: Convert to fraction form
    219,163.02/328,892.16 = 86,027.52/x
  3. Step 3: Cross multiply
    219,163.02x = 328,892.16 × 86,027.52
  4. Step 4: Simplify right side
    219,163.02x = 28,293,776,872.24
  5. Step 5: Solve for x
    x = 28,293,776,872.24/219,163.02
  6. Step 6: Final answer
    x = 129,099.23

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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.