Home / 115,284.30-159,091.98-64,297.08

Finding the Fourth Proportional to 115,284.30, 159,091.98 and 64,297.08

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Solution

The fourth proportional to 115,284.30, 159,091.98 and 64,297.08 is: 88,729.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,284.30 : 159,091.98 = 64,297.08 : x
  2. Step 2: Convert to fraction form
    115,284.30/159,091.98 = 64,297.08/x
  3. Step 3: Cross multiply
    115,284.30x = 159,091.98 × 64,297.08
  4. Step 4: Simplify right side
    115,284.30x = 10,229,149,765.42
  5. Step 5: Solve for x
    x = 10,229,149,765.42/115,284.30
  6. Step 6: Final answer
    x = 88,729.77

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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.