Home / 137,954.50-207,010.37-53,703.75

Finding the Fourth Proportional to 137,954.50, 207,010.37 and 53,703.75

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Solution

The fourth proportional to 137,954.50, 207,010.37 and 53,703.75 is: 80,586.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,954.50 : 207,010.37 = 53,703.75 : x
  2. Step 2: Convert to fraction form
    137,954.50/207,010.37 = 53,703.75/x
  3. Step 3: Cross multiply
    137,954.50x = 207,010.37 × 53,703.75
  4. Step 4: Simplify right side
    137,954.50x = 11,117,233,157.89
  5. Step 5: Solve for x
    x = 11,117,233,157.89/137,954.50
  6. Step 6: Final answer
    x = 80,586.23

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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.