Home / 109,250.30-150,768.24-61,505.36

Finding the Fourth Proportional to 109,250.30, 150,768.24 and 61,505.36

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Solution

The fourth proportional to 109,250.30, 150,768.24 and 61,505.36 is: 84,878.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,250.30 : 150,768.24 = 61,505.36 : x
  2. Step 2: Convert to fraction form
    109,250.30/150,768.24 = 61,505.36/x
  3. Step 3: Cross multiply
    109,250.30x = 150,768.24 × 61,505.36
  4. Step 4: Simplify right side
    109,250.30x = 9,273,054,458.66
  5. Step 5: Solve for x
    x = 9,273,054,458.66/109,250.30
  6. Step 6: Final answer
    x = 84,878.98

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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.