Home / 204,845.60-307,729.20-142,637.60

Finding the Fourth Proportional to 204,845.60, 307,729.20 and 142,637.60

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Solution

The fourth proportional to 204,845.60, 307,729.20 and 142,637.60 is: 214,277.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,845.60 : 307,729.20 = 142,637.60 : x
  2. Step 2: Convert to fraction form
    204,845.60/307,729.20 = 142,637.60/x
  3. Step 3: Cross multiply
    204,845.60x = 307,729.20 × 142,637.60
  4. Step 4: Simplify right side
    204,845.60x = 43,893,754,537.92
  5. Step 5: Solve for x
    x = 43,893,754,537.92/204,845.60
  6. Step 6: Final answer
    x = 214,277.26

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1.5x scale

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.