Home / 145,788.96-201,187.89-82,147.26

Finding the Fourth Proportional to 145,788.96, 201,187.89 and 82,147.26

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Solution

The fourth proportional to 145,788.96, 201,187.89 and 82,147.26 is: 113,362.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,788.96 : 201,187.89 = 82,147.26 : x
  2. Step 2: Convert to fraction form
    145,788.96/201,187.89 = 82,147.26/x
  3. Step 3: Cross multiply
    145,788.96x = 201,187.89 × 82,147.26
  4. Step 4: Simplify right side
    145,788.96x = 16,527,033,908.68
  5. Step 5: Solve for x
    x = 16,527,033,908.68/145,788.96
  6. Step 6: Final answer
    x = 113,362.73

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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.