Home / 146,145.80-219,245.74-46,331.12

Finding the Fourth Proportional to 146,145.80, 219,245.74 and 46,331.12

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Solution

The fourth proportional to 146,145.80, 219,245.74 and 46,331.12 is: 69,505.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,145.80 : 219,245.74 = 46,331.12 : x
  2. Step 2: Convert to fraction form
    146,145.80/219,245.74 = 46,331.12/x
  3. Step 3: Cross multiply
    146,145.80x = 219,245.74 × 46,331.12
  4. Step 4: Simplify right side
    146,145.80x = 10,157,901,121.72
  5. Step 5: Solve for x
    x = 10,157,901,121.72/146,145.80
  6. Step 6: Final answer
    x = 69,505.25

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1.5x scale

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.