Home / 126,032.80-188,660.40-73,285.60

Finding the Fourth Proportional to 126,032.80, 188,660.40 and 73,285.60

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Solution

The fourth proportional to 126,032.80, 188,660.40 and 73,285.60 is: 109,702.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,032.80 : 188,660.40 = 73,285.60 : x
  2. Step 2: Convert to fraction form
    126,032.80/188,660.40 = 73,285.60/x
  3. Step 3: Cross multiply
    126,032.80x = 188,660.40 × 73,285.60
  4. Step 4: Simplify right side
    126,032.80x = 13,826,090,610.24
  5. Step 5: Solve for x
    x = 13,826,090,610.24/126,032.80
  6. Step 6: Final answer
    x = 109,702.32

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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.