Home / 79,183.08-109,269.81-45,193.32

Finding the Fourth Proportional to 79,183.08, 109,269.81 and 45,193.32

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Solution

The fourth proportional to 79,183.08, 109,269.81 and 45,193.32 is: 62,365.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,183.08 : 109,269.81 = 45,193.32 : x
  2. Step 2: Convert to fraction form
    79,183.08/109,269.81 = 45,193.32/x
  3. Step 3: Cross multiply
    79,183.08x = 109,269.81 × 45,193.32
  4. Step 4: Simplify right side
    79,183.08x = 4,938,265,489.67
  5. Step 5: Solve for x
    x = 4,938,265,489.67/79,183.08
  6. Step 6: Final answer
    x = 62,365.16

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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.