Home / 168,490.40-232,568.22-103,979.36

Finding the Fourth Proportional to 168,490.40, 232,568.22 and 103,979.36

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Solution

The fourth proportional to 168,490.40, 232,568.22 and 103,979.36 is: 143,523.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,490.40 : 232,568.22 = 103,979.36 : x
  2. Step 2: Convert to fraction form
    168,490.40/232,568.22 = 103,979.36/x
  3. Step 3: Cross multiply
    168,490.40x = 232,568.22 × 103,979.36
  4. Step 4: Simplify right side
    168,490.40x = 24,182,293,509.10
  5. Step 5: Solve for x
    x = 24,182,293,509.10/168,490.40
  6. Step 6: Final answer
    x = 143,523.28

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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.