Home / 201,919.20-302,295.60-123,187.20

Finding the Fourth Proportional to 201,919.20, 302,295.60 and 123,187.20

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Solution

The fourth proportional to 201,919.20, 302,295.60 and 123,187.20 is: 184,425.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,919.20 : 302,295.60 = 123,187.20 : x
  2. Step 2: Convert to fraction form
    201,919.20/302,295.60 = 123,187.20/x
  3. Step 3: Cross multiply
    201,919.20x = 302,295.60 × 123,187.20
  4. Step 4: Simplify right side
    201,919.20x = 37,238,948,536.32
  5. Step 5: Solve for x
    x = 37,238,948,536.32/201,919.20
  6. Step 6: Final answer
    x = 184,425.00

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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.