Home / 255,111.71-351,936.36-164,496.78

Finding the Fourth Proportional to 255,111.71, 351,936.36 and 164,496.78

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Solution

The fourth proportional to 255,111.71, 351,936.36 and 164,496.78 is: 226,929.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,111.71 : 351,936.36 = 164,496.78 : x
  2. Step 2: Convert to fraction form
    255,111.71/351,936.36 = 164,496.78/x
  3. Step 3: Cross multiply
    255,111.71x = 351,936.36 × 164,496.78
  4. Step 4: Simplify right side
    255,111.71x = 57,892,397,984.92
  5. Step 5: Solve for x
    x = 57,892,397,984.92/255,111.71
  6. Step 6: Final answer
    x = 226,929.60

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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.