Home / 172,895.59-257,991.15-136,949.59

Finding the Fourth Proportional to 172,895.59, 257,991.15 and 136,949.59

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Solution

The fourth proportional to 172,895.59, 257,991.15 and 136,949.59 is: 204,353.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,895.59 : 257,991.15 = 136,949.59 : x
  2. Step 2: Convert to fraction form
    172,895.59/257,991.15 = 136,949.59/x
  3. Step 3: Cross multiply
    172,895.59x = 257,991.15 × 136,949.59
  4. Step 4: Simplify right side
    172,895.59x = 35,331,782,216.13
  5. Step 5: Solve for x
    x = 35,331,782,216.13/172,895.59
  6. Step 6: Final answer
    x = 204,353.29

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.