Home / 163,378.56-225,445.44-109,652.64

Finding the Fourth Proportional to 163,378.56, 225,445.44 and 109,652.64

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Solution

The fourth proportional to 163,378.56, 225,445.44 and 109,652.64 is: 151,309.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,378.56 : 225,445.44 = 109,652.64 : x
  2. Step 2: Convert to fraction form
    163,378.56/225,445.44 = 109,652.64/x
  3. Step 3: Cross multiply
    163,378.56x = 225,445.44 × 109,652.64
  4. Step 4: Simplify right side
    163,378.56x = 24,720,687,671.96
  5. Step 5: Solve for x
    x = 24,720,687,671.96/163,378.56
  6. Step 6: Final answer
    x = 151,309.25

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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.