Home / 170,790.31-256,184.92-46,131.31

Finding the Fourth Proportional to 170,790.31, 256,184.92 and 46,131.31

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Solution

The fourth proportional to 170,790.31, 256,184.92 and 46,131.31 is: 69,196.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,790.31 : 256,184.92 = 46,131.31 : x
  2. Step 2: Convert to fraction form
    170,790.31/256,184.92 = 46,131.31/x
  3. Step 3: Cross multiply
    170,790.31x = 256,184.92 × 46,131.31
  4. Step 4: Simplify right side
    170,790.31x = 11,818,145,961.85
  5. Step 5: Solve for x
    x = 11,818,145,961.85/170,790.31
  6. Step 6: Final answer
    x = 69,196.82

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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.