Home / 106,396.36-159,632.64-45,581.11

Finding the Fourth Proportional to 106,396.36, 159,632.64 and 45,581.11

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Solution

The fourth proportional to 106,396.36, 159,632.64 and 45,581.11 is: 68,387.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,396.36 : 159,632.64 = 45,581.11 : x
  2. Step 2: Convert to fraction form
    106,396.36/159,632.64 = 45,581.11/x
  3. Step 3: Cross multiply
    106,396.36x = 159,632.64 × 45,581.11
  4. Step 4: Simplify right side
    106,396.36x = 7,276,232,524.35
  5. Step 5: Solve for x
    x = 7,276,232,524.35/106,396.36
  6. Step 6: Final answer
    x = 68,387.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.