Home / 104,674.73-144,447-56,928.02

Finding the Fourth Proportional to 104,674.73, 144,447 and 56,928.02

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Solution

The fourth proportional to 104,674.73, 144,447 and 56,928.02 is: 78,558.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,674.73 : 144,447 = 56,928.02 : x
  2. Step 2: Convert to fraction form
    104,674.73/144,447 = 56,928.02/x
  3. Step 3: Cross multiply
    104,674.73x = 144,447 × 56,928.02
  4. Step 4: Simplify right side
    104,674.73x = 8,223,081,704.94
  5. Step 5: Solve for x
    x = 8,223,081,704.94/104,674.73
  6. Step 6: Final answer
    x = 78,558.42

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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.