Home / 88,249.64-121,944.66-64,334.60

Finding the Fourth Proportional to 88,249.64, 121,944.66 and 64,334.60

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Solution

The fourth proportional to 88,249.64, 121,944.66 and 64,334.60 is: 88,898.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,249.64 : 121,944.66 = 64,334.60 : x
  2. Step 2: Convert to fraction form
    88,249.64/121,944.66 = 64,334.60/x
  3. Step 3: Cross multiply
    88,249.64x = 121,944.66 × 64,334.60
  4. Step 4: Simplify right side
    88,249.64x = 7,845,260,923.24
  5. Step 5: Solve for x
    x = 7,845,260,923.24/88,249.64
  6. Step 6: Final answer
    x = 88,898.50

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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.