Home / 104,346.60-143,998.38-56,599.80

Finding the Fourth Proportional to 104,346.60, 143,998.38 and 56,599.80

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Solution

The fourth proportional to 104,346.60, 143,998.38 and 56,599.80 is: 78,107.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,346.60 : 143,998.38 = 56,599.80 : x
  2. Step 2: Convert to fraction form
    104,346.60/143,998.38 = 56,599.80/x
  3. Step 3: Cross multiply
    104,346.60x = 143,998.38 × 56,599.80
  4. Step 4: Simplify right side
    104,346.60x = 8,150,279,508.32
  5. Step 5: Solve for x
    x = 8,150,279,508.32/104,346.60
  6. Step 6: Final answer
    x = 78,107.76

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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.