Home / 137,450.77-206,111.45-53,250.36

Finding the Fourth Proportional to 137,450.77, 206,111.45 and 53,250.36

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Solution

The fourth proportional to 137,450.77, 206,111.45 and 53,250.36 is: 79,850.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,450.77 : 206,111.45 = 53,250.36 : x
  2. Step 2: Convert to fraction form
    137,450.77/206,111.45 = 53,250.36/x
  3. Step 3: Cross multiply
    137,450.77x = 206,111.45 × 53,250.36
  4. Step 4: Simplify right side
    137,450.77x = 10,975,509,045.75
  5. Step 5: Solve for x
    x = 10,975,509,045.75/137,450.77
  6. Step 6: Final answer
    x = 79,850.47

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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.