Home / 109,579.56-151,216.20-63,644.32

Finding the Fourth Proportional to 109,579.56, 151,216.20 and 63,644.32

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Solution

The fourth proportional to 109,579.56, 151,216.20 and 63,644.32 is: 87,827.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,579.56 : 151,216.20 = 63,644.32 : x
  2. Step 2: Convert to fraction form
    109,579.56/151,216.20 = 63,644.32/x
  3. Step 3: Cross multiply
    109,579.56x = 151,216.20 × 63,644.32
  4. Step 4: Simplify right side
    109,579.56x = 9,624,052,221.98
  5. Step 5: Solve for x
    x = 9,624,052,221.98/109,579.56
  6. Step 6: Final answer
    x = 87,827.07

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1.5x scale

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.