Home / 137,675.18-206,588.03-53,438.69

Finding the Fourth Proportional to 137,675.18, 206,588.03 and 53,438.69

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Solution

The fourth proportional to 137,675.18, 206,588.03 and 53,438.69 is: 80,187.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,675.18 : 206,588.03 = 53,438.69 : x
  2. Step 2: Convert to fraction form
    137,675.18/206,588.03 = 53,438.69/x
  3. Step 3: Cross multiply
    137,675.18x = 206,588.03 × 53,438.69
  4. Step 4: Simplify right side
    137,675.18x = 11,039,792,392.75
  5. Step 5: Solve for x
    x = 11,039,792,392.75/137,675.18
  6. Step 6: Final answer
    x = 80,187.24

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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.