Home / 112,208.66-168,167.55-45,571.37

Finding the Fourth Proportional to 112,208.66, 168,167.55 and 45,571.37

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Solution

The fourth proportional to 112,208.66, 168,167.55 and 45,571.37 is: 68,297.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,208.66 : 168,167.55 = 45,571.37 : x
  2. Step 2: Convert to fraction form
    112,208.66/168,167.55 = 45,571.37/x
  3. Step 3: Cross multiply
    112,208.66x = 168,167.55 × 45,571.37
  4. Step 4: Simplify right side
    112,208.66x = 7,663,624,802.21
  5. Step 5: Solve for x
    x = 7,663,624,802.21/112,208.66
  6. Step 6: Final answer
    x = 68,297.98

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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.