Home / 84,205.46-126,212.54-28,032.36

Finding the Fourth Proportional to 84,205.46, 126,212.54 and 28,032.36

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Solution

The fourth proportional to 84,205.46, 126,212.54 and 28,032.36 is: 42,016.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,205.46 : 126,212.54 = 28,032.36 : x
  2. Step 2: Convert to fraction form
    84,205.46/126,212.54 = 28,032.36/x
  3. Step 3: Cross multiply
    84,205.46x = 126,212.54 × 28,032.36
  4. Step 4: Simplify right side
    84,205.46x = 3,538,035,217.63
  5. Step 5: Solve for x
    x = 3,538,035,217.63/84,205.46
  6. Step 6: Final answer
    x = 42,016.70

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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.