Home / 138,772.89-208,166.70-44,010.54

Finding the Fourth Proportional to 138,772.89, 208,166.70 and 44,010.54

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Solution

The fourth proportional to 138,772.89, 208,166.70 and 44,010.54 is: 66,018.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,772.89 : 208,166.70 = 44,010.54 : x
  2. Step 2: Convert to fraction form
    138,772.89/208,166.70 = 44,010.54/x
  3. Step 3: Cross multiply
    138,772.89x = 208,166.70 × 44,010.54
  4. Step 4: Simplify right side
    138,772.89x = 9,161,529,042.06
  5. Step 5: Solve for x
    x = 9,161,529,042.06/138,772.89
  6. Step 6: Final answer
    x = 66,018.15

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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.