Home / 163,623.45-245,617.44-84,716.49

Finding the Fourth Proportional to 163,623.45, 245,617.44 and 84,716.49

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Solution

The fourth proportional to 163,623.45, 245,617.44 and 84,716.49 is: 127,169.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,623.45 : 245,617.44 = 84,716.49 : x
  2. Step 2: Convert to fraction form
    163,623.45/245,617.44 = 84,716.49/x
  3. Step 3: Cross multiply
    163,623.45x = 245,617.44 × 84,716.49
  4. Step 4: Simplify right side
    163,623.45x = 20,807,847,399.59
  5. Step 5: Solve for x
    x = 20,807,847,399.59/163,623.45
  6. Step 6: Final answer
    x = 127,169.10

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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.