Home / 189,380.96-284,071.08-110,439.84

Finding the Fourth Proportional to 189,380.96, 284,071.08 and 110,439.84

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Solution

The fourth proportional to 189,380.96, 284,071.08 and 110,439.84 is: 165,659.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,380.96 : 284,071.08 = 110,439.84 : x
  2. Step 2: Convert to fraction form
    189,380.96/284,071.08 = 110,439.84/x
  3. Step 3: Cross multiply
    189,380.96x = 284,071.08 × 110,439.84
  4. Step 4: Simplify right side
    189,380.96x = 31,372,764,623.83
  5. Step 5: Solve for x
    x = 31,372,764,623.83/189,380.96
  6. Step 6: Final answer
    x = 165,659.55

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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.