Home / 104,028.87-143,558.82-56,281.20

Finding the Fourth Proportional to 104,028.87, 143,558.82 and 56,281.20

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Solution

The fourth proportional to 104,028.87, 143,558.82 and 56,281.20 is: 77,667.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,028.87 : 143,558.82 = 56,281.20 : x
  2. Step 2: Convert to fraction form
    104,028.87/143,558.82 = 56,281.20/x
  3. Step 3: Cross multiply
    104,028.87x = 143,558.82 × 56,281.20
  4. Step 4: Simplify right side
    104,028.87x = 8,079,662,660.18
  5. Step 5: Solve for x
    x = 8,079,662,660.18/104,028.87
  6. Step 6: Final answer
    x = 77,667.50

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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.