Home / 199,285.89-274,859.01-127,672.58

Finding the Fourth Proportional to 199,285.89, 274,859.01 and 127,672.58

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Solution

The fourth proportional to 199,285.89, 274,859.01 and 127,672.58 is: 176,088.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,285.89 : 274,859.01 = 127,672.58 : x
  2. Step 2: Convert to fraction form
    199,285.89/274,859.01 = 127,672.58/x
  3. Step 3: Cross multiply
    199,285.89x = 274,859.01 × 127,672.58
  4. Step 4: Simplify right side
    199,285.89x = 35,091,957,568.65
  5. Step 5: Solve for x
    x = 35,091,957,568.65/199,285.89
  6. Step 6: Final answer
    x = 176,088.52

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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.