Home / 104,406.20-144,080.64-56,659.54

Finding the Fourth Proportional to 104,406.20, 144,080.64 and 56,659.54

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Solution

The fourth proportional to 104,406.20, 144,080.64 and 56,659.54 is: 78,190.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,406.20 : 144,080.64 = 56,659.54 : x
  2. Step 2: Convert to fraction form
    104,406.20/144,080.64 = 56,659.54/x
  3. Step 3: Cross multiply
    104,406.20x = 144,080.64 × 56,659.54
  4. Step 4: Simplify right side
    104,406.20x = 8,163,542,425.10
  5. Step 5: Solve for x
    x = 8,163,542,425.10/104,406.20
  6. Step 6: Final answer
    x = 78,190.21

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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.