Home / 149,826.76-206,689.86-101,446.36

Finding the Fourth Proportional to 149,826.76, 206,689.86 and 101,446.36

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Solution

The fourth proportional to 149,826.76, 206,689.86 and 101,446.36 is: 139,947.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,826.76 : 206,689.86 = 101,446.36 : x
  2. Step 2: Convert to fraction form
    149,826.76/206,689.86 = 101,446.36/x
  3. Step 3: Cross multiply
    149,826.76x = 206,689.86 × 101,446.36
  4. Step 4: Simplify right side
    149,826.76x = 20,967,933,945.91
  5. Step 5: Solve for x
    x = 20,967,933,945.91/149,826.76
  6. Step 6: Final answer
    x = 139,947.86

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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.