Home / 163,716.68-245,669.16-68,939.39

Finding the Fourth Proportional to 163,716.68, 245,669.16 and 68,939.39

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Solution

The fourth proportional to 163,716.68, 245,669.16 and 68,939.39 is: 103,448.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,716.68 : 245,669.16 = 68,939.39 : x
  2. Step 2: Convert to fraction form
    163,716.68/245,669.16 = 68,939.39/x
  3. Step 3: Cross multiply
    163,716.68x = 245,669.16 × 68,939.39
  4. Step 4: Simplify right side
    163,716.68x = 16,936,282,032.21
  5. Step 5: Solve for x
    x = 16,936,282,032.21/163,716.68
  6. Step 6: Final answer
    x = 103,448.73

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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.