Home / 136,826.80-205,238.78-43,332.54

Finding the Fourth Proportional to 136,826.80, 205,238.78 and 43,332.54

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Solution

The fourth proportional to 136,826.80, 205,238.78 and 43,332.54 is: 64,998.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,826.80 : 205,238.78 = 43,332.54 : x
  2. Step 2: Convert to fraction form
    136,826.80/205,238.78 = 43,332.54/x
  3. Step 3: Cross multiply
    136,826.80x = 205,238.78 × 43,332.54
  4. Step 4: Simplify right side
    136,826.80x = 8,893,517,643.90
  5. Step 5: Solve for x
    x = 8,893,517,643.90/136,826.80
  6. Step 6: Final answer
    x = 64,998.36

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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.