Home / 189,029.38-260,898.21-108,511.30

Finding the Fourth Proportional to 189,029.38, 260,898.21 and 108,511.30

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Solution

The fourth proportional to 189,029.38, 260,898.21 and 108,511.30 is: 149,767.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,029.38 : 260,898.21 = 108,511.30 : x
  2. Step 2: Convert to fraction form
    189,029.38/260,898.21 = 108,511.30/x
  3. Step 3: Cross multiply
    189,029.38x = 260,898.21 × 108,511.30
  4. Step 4: Simplify right side
    189,029.38x = 28,310,403,934.77
  5. Step 5: Solve for x
    x = 28,310,403,934.77/189,029.38
  6. Step 6: Final answer
    x = 149,767.22

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1.5x scale

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.