Home / 243,784.77-365,619.72-137,214.09

Finding the Fourth Proportional to 243,784.77, 365,619.72 and 137,214.09

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Solution

The fourth proportional to 243,784.77, 365,619.72 and 137,214.09 is: 205,788.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,784.77 : 365,619.72 = 137,214.09 : x
  2. Step 2: Convert to fraction form
    243,784.77/365,619.72 = 137,214.09/x
  3. Step 3: Cross multiply
    243,784.77x = 365,619.72 × 137,214.09
  4. Step 4: Simplify right side
    243,784.77x = 50,168,177,165.85
  5. Step 5: Solve for x
    x = 50,168,177,165.85/243,784.77
  6. Step 6: Final answer
    x = 205,788.81

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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.