Home / 76,157.25-104,909.22-64,790.34

Finding the Fourth Proportional to 76,157.25, 104,909.22 and 64,790.34

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Solution

The fourth proportional to 76,157.25, 104,909.22 and 64,790.34 is: 89,250.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,157.25 : 104,909.22 = 64,790.34 : x
  2. Step 2: Convert to fraction form
    76,157.25/104,909.22 = 64,790.34/x
  3. Step 3: Cross multiply
    76,157.25x = 104,909.22 × 64,790.34
  4. Step 4: Simplify right side
    76,157.25x = 6,797,104,032.93
  5. Step 5: Solve for x
    x = 6,797,104,032.93/76,157.25
  6. Step 6: Final answer
    x = 89,250.91

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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.