Home / 189,820.14-284,143.77-104,216.91

Finding the Fourth Proportional to 189,820.14, 284,143.77 and 104,216.91

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Solution

The fourth proportional to 189,820.14, 284,143.77 and 104,216.91 is: 156,003.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,820.14 : 284,143.77 = 104,216.91 : x
  2. Step 2: Convert to fraction form
    189,820.14/284,143.77 = 104,216.91/x
  3. Step 3: Cross multiply
    189,820.14x = 284,143.77 × 104,216.91
  4. Step 4: Simplify right side
    189,820.14x = 29,612,585,705.15
  5. Step 5: Solve for x
    x = 29,612,585,705.15/189,820.14
  6. Step 6: Final answer
    x = 156,003.39

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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.