Home / 250,845.81-346,167.45-143,418.09

Finding the Fourth Proportional to 250,845.81, 346,167.45 and 143,418.09

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Solution

The fourth proportional to 250,845.81, 346,167.45 and 143,418.09 is: 197,917.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,845.81 : 346,167.45 = 143,418.09 : x
  2. Step 2: Convert to fraction form
    250,845.81/346,167.45 = 143,418.09/x
  3. Step 3: Cross multiply
    250,845.81x = 346,167.45 × 143,418.09
  4. Step 4: Simplify right side
    250,845.81x = 49,646,674,499.17
  5. Step 5: Solve for x
    x = 49,646,674,499.17/250,845.81
  6. Step 6: Final answer
    x = 197,917.10

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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.