Home / 189,446.22-284,018.46-109,393.32

Finding the Fourth Proportional to 189,446.22, 284,018.46 and 109,393.32

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Solution

The fourth proportional to 189,446.22, 284,018.46 and 109,393.32 is: 164,002.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,446.22 : 284,018.46 = 109,393.32 : x
  2. Step 2: Convert to fraction form
    189,446.22/284,018.46 = 109,393.32/x
  3. Step 3: Cross multiply
    189,446.22x = 284,018.46 × 109,393.32
  4. Step 4: Simplify right side
    189,446.22x = 31,069,722,280.69
  5. Step 5: Solve for x
    x = 31,069,722,280.69/189,446.22
  6. Step 6: Final answer
    x = 164,002.86

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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.