Home / 115,227.53-159,014.62-64,243.44

Finding the Fourth Proportional to 115,227.53, 159,014.62 and 64,243.44

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Solution

The fourth proportional to 115,227.53, 159,014.62 and 64,243.44 is: 88,656.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,227.53 : 159,014.62 = 64,243.44 : x
  2. Step 2: Convert to fraction form
    115,227.53/159,014.62 = 64,243.44/x
  3. Step 3: Cross multiply
    115,227.53x = 159,014.62 × 64,243.44
  4. Step 4: Simplify right side
    115,227.53x = 10,215,645,082.80
  5. Step 5: Solve for x
    x = 10,215,645,082.80/115,227.53
  6. Step 6: Final answer
    x = 88,656.29

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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.