Home / 104,517.90-144,235.26-56,771.64

Finding the Fourth Proportional to 104,517.90, 144,235.26 and 56,771.64

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Solution

The fourth proportional to 104,517.90, 144,235.26 and 56,771.64 is: 78,345.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,517.90 : 144,235.26 = 56,771.64 : x
  2. Step 2: Convert to fraction form
    104,517.90/144,235.26 = 56,771.64/x
  3. Step 3: Cross multiply
    104,517.90x = 144,235.26 × 56,771.64
  4. Step 4: Simplify right side
    104,517.90x = 8,188,472,256.03
  5. Step 5: Solve for x
    x = 8,188,472,256.03/104,517.90
  6. Step 6: Final answer
    x = 78,345.17

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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.