Home / 98,155.02-135,419.42-64,183.39

Finding the Fourth Proportional to 98,155.02, 135,419.42 and 64,183.39

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Solution

The fourth proportional to 98,155.02, 135,419.42 and 64,183.39 is: 88,550.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,155.02 : 135,419.42 = 64,183.39 : x
  2. Step 2: Convert to fraction form
    98,155.02/135,419.42 = 64,183.39/x
  3. Step 3: Cross multiply
    98,155.02x = 135,419.42 × 64,183.39
  4. Step 4: Simplify right side
    98,155.02x = 8,691,677,447.43
  5. Step 5: Solve for x
    x = 8,691,677,447.43/98,155.02
  6. Step 6: Final answer
    x = 88,550.51

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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.