Home / 147,285.33-203,241.28-82,749.52

Finding the Fourth Proportional to 147,285.33, 203,241.28 and 82,749.52

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Solution

The fourth proportional to 147,285.33, 203,241.28 and 82,749.52 is: 114,187.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,285.33 : 203,241.28 = 82,749.52 : x
  2. Step 2: Convert to fraction form
    147,285.33/203,241.28 = 82,749.52/x
  3. Step 3: Cross multiply
    147,285.33x = 203,241.28 × 82,749.52
  4. Step 4: Simplify right side
    147,285.33x = 16,818,118,364.19
  5. Step 5: Solve for x
    x = 16,818,118,364.19/147,285.33
  6. Step 6: Final answer
    x = 114,187.33

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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.