Home / 189,337.45-260,979.05-164,745.32

Finding the Fourth Proportional to 189,337.45, 260,979.05 and 164,745.32

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Solution

The fourth proportional to 189,337.45, 260,979.05 and 164,745.32 is: 227,081.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,337.45 : 260,979.05 = 164,745.32 : x
  2. Step 2: Convert to fraction form
    189,337.45/260,979.05 = 164,745.32/x
  3. Step 3: Cross multiply
    189,337.45x = 260,979.05 × 164,745.32
  4. Step 4: Simplify right side
    189,337.45x = 42,995,077,105.55
  5. Step 5: Solve for x
    x = 42,995,077,105.55/189,337.45
  6. Step 6: Final answer
    x = 227,081.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.