Home / 147,579.67-203,644.23-83,047.78

Finding the Fourth Proportional to 147,579.67, 203,644.23 and 83,047.78

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Solution

The fourth proportional to 147,579.67, 203,644.23 and 83,047.78 is: 114,597.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,579.67 : 203,644.23 = 83,047.78 : x
  2. Step 2: Convert to fraction form
    147,579.67/203,644.23 = 83,047.78/x
  3. Step 3: Cross multiply
    147,579.67x = 203,644.23 × 83,047.78
  4. Step 4: Simplify right side
    147,579.67x = 16,912,201,211.31
  5. Step 5: Solve for x
    x = 16,912,201,211.31/147,579.67
  6. Step 6: Final answer
    x = 114,597.09

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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.