Home / 145,979.08-218,949.68-46,149.35

Finding the Fourth Proportional to 145,979.08, 218,949.68 and 46,149.35

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Solution

The fourth proportional to 145,979.08, 218,949.68 and 46,149.35 is: 69,218.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,979.08 : 218,949.68 = 46,149.35 : x
  2. Step 2: Convert to fraction form
    145,979.08/218,949.68 = 46,149.35/x
  3. Step 3: Cross multiply
    145,979.08x = 218,949.68 × 46,149.35
  4. Step 4: Simplify right side
    145,979.08x = 10,104,384,435.33
  5. Step 5: Solve for x
    x = 10,104,384,435.33/145,979.08
  6. Step 6: Final answer
    x = 69,218.03

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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.