Home / 84,238.39-126,251.47-73,683.28

Finding the Fourth Proportional to 84,238.39, 126,251.47 and 73,683.28

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Solution

The fourth proportional to 84,238.39, 126,251.47 and 73,683.28 is: 110,432.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,238.39 : 126,251.47 = 73,683.28 : x
  2. Step 2: Convert to fraction form
    84,238.39/126,251.47 = 73,683.28/x
  3. Step 3: Cross multiply
    84,238.39x = 126,251.47 × 73,683.28
  4. Step 4: Simplify right side
    84,238.39x = 9,302,622,414.42
  5. Step 5: Solve for x
    x = 9,302,622,414.42/84,238.39
  6. Step 6: Final answer
    x = 110,432.10

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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.