Home / 109,410.30-163,993.38-46,211.46

Finding the Fourth Proportional to 109,410.30, 163,993.38 and 46,211.46

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Solution

The fourth proportional to 109,410.30, 163,993.38 and 46,211.46 is: 69,265.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,410.30 : 163,993.38 = 46,211.46 : x
  2. Step 2: Convert to fraction form
    109,410.30/163,993.38 = 46,211.46/x
  3. Step 3: Cross multiply
    109,410.30x = 163,993.38 × 46,211.46
  4. Step 4: Simplify right side
    109,410.30x = 7,578,373,520.13
  5. Step 5: Solve for x
    x = 7,578,373,520.13/109,410.30
  6. Step 6: Final answer
    x = 69,265.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.