Home / 104,086.26-143,640.09-56,340.63

Finding the Fourth Proportional to 104,086.26, 143,640.09 and 56,340.63

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Solution

The fourth proportional to 104,086.26, 143,640.09 and 56,340.63 is: 77,750.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,086.26 : 143,640.09 = 56,340.63 : x
  2. Step 2: Convert to fraction form
    104,086.26/143,640.09 = 56,340.63/x
  3. Step 3: Cross multiply
    104,086.26x = 143,640.09 × 56,340.63
  4. Step 4: Simplify right side
    104,086.26x = 8,092,773,163.86
  5. Step 5: Solve for x
    x = 8,092,773,163.86/104,086.26
  6. Step 6: Final answer
    x = 77,750.64

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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.