Home / 215,054.85-322,647.90-109,947.63

Finding the Fourth Proportional to 215,054.85, 322,647.90 and 109,947.63

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Solution

The fourth proportional to 215,054.85, 322,647.90 and 109,947.63 is: 164,955.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,054.85 : 322,647.90 = 109,947.63 : x
  2. Step 2: Convert to fraction form
    215,054.85/322,647.90 = 109,947.63/x
  3. Step 3: Cross multiply
    215,054.85x = 322,647.90 × 109,947.63
  4. Step 4: Simplify right side
    215,054.85x = 35,474,372,727.10
  5. Step 5: Solve for x
    x = 35,474,372,727.10/215,054.85
  6. Step 6: Final answer
    x = 164,955.00

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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.