Home / 137,986.73-206,567.55-84,510.33

Finding the Fourth Proportional to 137,986.73, 206,567.55 and 84,510.33

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Solution

The fourth proportional to 137,986.73, 206,567.55 and 84,510.33 is: 126,512.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,986.73 : 206,567.55 = 84,510.33 : x
  2. Step 2: Convert to fraction form
    137,986.73/206,567.55 = 84,510.33/x
  3. Step 3: Cross multiply
    137,986.73x = 206,567.55 × 84,510.33
  4. Step 4: Simplify right side
    137,986.73x = 17,457,091,043.16
  5. Step 5: Solve for x
    x = 17,457,091,043.16/137,986.73
  6. Step 6: Final answer
    x = 126,512.83

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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.