Home / 189,469.43-261,511.64-124,950.30

Finding the Fourth Proportional to 189,469.43, 261,511.64 and 124,950.30

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Solution

The fourth proportional to 189,469.43, 261,511.64 and 124,950.30 is: 172,460.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,469.43 : 261,511.64 = 124,950.30 : x
  2. Step 2: Convert to fraction form
    189,469.43/261,511.64 = 124,950.30/x
  3. Step 3: Cross multiply
    189,469.43x = 261,511.64 × 124,950.30
  4. Step 4: Simplify right side
    189,469.43x = 32,675,956,734.64
  5. Step 5: Solve for x
    x = 32,675,956,734.64/189,469.43
  6. Step 6: Final answer
    x = 172,460.31

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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.