Home / 109,244.37-150,771.60-61,507.02

Finding the Fourth Proportional to 109,244.37, 150,771.60 and 61,507.02

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Solution

The fourth proportional to 109,244.37, 150,771.60 and 61,507.02 is: 84,887.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,244.37 : 150,771.60 = 61,507.02 : x
  2. Step 2: Convert to fraction form
    109,244.37/150,771.60 = 61,507.02/x
  3. Step 3: Cross multiply
    109,244.37x = 150,771.60 × 61,507.02
  4. Step 4: Simplify right side
    109,244.37x = 9,273,511,816.63
  5. Step 5: Solve for x
    x = 9,273,511,816.63/109,244.37
  6. Step 6: Final answer
    x = 84,887.78

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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.