Home / 251,015.72-346,403.58-143,579.12

Finding the Fourth Proportional to 251,015.72, 346,403.58 and 143,579.12

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Solution

The fourth proportional to 251,015.72, 346,403.58 and 143,579.12 is: 198,140.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,015.72 : 346,403.58 = 143,579.12 : x
  2. Step 2: Convert to fraction form
    251,015.72/346,403.58 = 143,579.12/x
  3. Step 3: Cross multiply
    251,015.72x = 346,403.58 × 143,579.12
  4. Step 4: Simplify right side
    251,015.72x = 49,736,321,181.25
  5. Step 5: Solve for x
    x = 49,736,321,181.25/251,015.72
  6. Step 6: Final answer
    x = 198,140.26

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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.