Home / 115,282.80-159,091.11-64,298.88

Finding the Fourth Proportional to 115,282.80, 159,091.11 and 64,298.88

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Solution

The fourth proportional to 115,282.80, 159,091.11 and 64,298.88 is: 88,732.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,282.80 : 159,091.11 = 64,298.88 : x
  2. Step 2: Convert to fraction form
    115,282.80/159,091.11 = 64,298.88/x
  3. Step 3: Cross multiply
    115,282.80x = 159,091.11 × 64,298.88
  4. Step 4: Simplify right side
    115,282.80x = 10,229,380,190.96
  5. Step 5: Solve for x
    x = 10,229,380,190.96/115,282.80
  6. Step 6: Final answer
    x = 88,732.93

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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.