Home / 109,119.21-150,583.06-61,372.56

Finding the Fourth Proportional to 109,119.21, 150,583.06 and 61,372.56

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Solution

The fourth proportional to 109,119.21, 150,583.06 and 61,372.56 is: 84,693.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,119.21 : 150,583.06 = 61,372.56 : x
  2. Step 2: Convert to fraction form
    109,119.21/150,583.06 = 61,372.56/x
  3. Step 3: Cross multiply
    109,119.21x = 150,583.06 × 61,372.56
  4. Step 4: Simplify right side
    109,119.21x = 9,241,667,884.83
  5. Step 5: Solve for x
    x = 9,241,667,884.83/109,119.21
  6. Step 6: Final answer
    x = 84,693.32

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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.