Home / 145,976.05-218,945.21-46,146.32

Finding the Fourth Proportional to 145,976.05, 218,945.21 and 46,146.32

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Solution

The fourth proportional to 145,976.05, 218,945.21 and 46,146.32 is: 69,213.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,976.05 : 218,945.21 = 46,146.32 : x
  2. Step 2: Convert to fraction form
    145,976.05/218,945.21 = 46,146.32/x
  3. Step 3: Cross multiply
    145,976.05x = 218,945.21 × 46,146.32
  4. Step 4: Simplify right side
    145,976.05x = 10,103,515,723.13
  5. Step 5: Solve for x
    x = 10,103,515,723.13/145,976.05
  6. Step 6: Final answer
    x = 69,213.52

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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.