Home / 104,119.42-156,243.39-40,928.48

Finding the Fourth Proportional to 104,119.42, 156,243.39 and 40,928.48

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Solution

The fourth proportional to 104,119.42, 156,243.39 and 40,928.48 is: 61,417.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,119.42 : 156,243.39 = 40,928.48 : x
  2. Step 2: Convert to fraction form
    104,119.42/156,243.39 = 40,928.48/x
  3. Step 3: Cross multiply
    104,119.42x = 156,243.39 × 40,928.48
  4. Step 4: Simplify right side
    104,119.42x = 6,394,804,258.10
  5. Step 5: Solve for x
    x = 6,394,804,258.10/104,119.42
  6. Step 6: Final answer
    x = 61,417.98

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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.