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Finding the Fourth Proportional to 115,297.00, 159,109.45 and 64,309.69

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Solution

The fourth proportional to 115,297.00, 159,109.45 and 64,309.69 is: 88,747.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,297.00 : 159,109.45 = 64,309.69 : x
  2. Step 2: Convert to fraction form
    115,297.00/159,109.45 = 64,309.69/x
  3. Step 3: Cross multiply
    115,297.00x = 159,109.45 × 64,309.69
  4. Step 4: Simplify right side
    115,297.00x = 10,232,278,847.02
  5. Step 5: Solve for x
    x = 10,232,278,847.02/115,297.00
  6. Step 6: Final answer
    x = 88,747.14

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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.