Home / 179,897.38-269,824.54-139,956.38

Finding the Fourth Proportional to 179,897.38, 269,824.54 and 139,956.38

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Solution

The fourth proportional to 179,897.38, 269,824.54 and 139,956.38 is: 209,917.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,897.38 : 269,824.54 = 139,956.38 : x
  2. Step 2: Convert to fraction form
    179,897.38/269,824.54 = 139,956.38/x
  3. Step 3: Cross multiply
    179,897.38x = 269,824.54 × 139,956.38
  4. Step 4: Simplify right side
    179,897.38x = 37,763,666,581.32
  5. Step 5: Solve for x
    x = 37,763,666,581.32/179,897.38
  6. Step 6: Final answer
    x = 209,917.82

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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.