Home / 255,110.71-351,934.98-164,495.78

Finding the Fourth Proportional to 255,110.71, 351,934.98 and 164,495.78

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Solution

The fourth proportional to 255,110.71, 351,934.98 and 164,495.78 is: 226,928.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,110.71 : 351,934.98 = 164,495.78 : x
  2. Step 2: Convert to fraction form
    255,110.71/351,934.98 = 164,495.78/x
  3. Step 3: Cross multiply
    255,110.71x = 351,934.98 × 164,495.78
  4. Step 4: Simplify right side
    255,110.71x = 57,891,818,912.90
  5. Step 5: Solve for x
    x = 57,891,818,912.90/255,110.71
  6. Step 6: Final answer
    x = 226,928.22

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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.