Home / 102,763.10-154,051.24-39,542.89

Finding the Fourth Proportional to 102,763.10, 154,051.24 and 39,542.89

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Solution

The fourth proportional to 102,763.10, 154,051.24 and 39,542.89 is: 59,278.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,763.10 : 154,051.24 = 39,542.89 : x
  2. Step 2: Convert to fraction form
    102,763.10/154,051.24 = 39,542.89/x
  3. Step 3: Cross multiply
    102,763.10x = 154,051.24 × 39,542.89
  4. Step 4: Simplify right side
    102,763.10x = 6,091,631,237.68
  5. Step 5: Solve for x
    x = 6,091,631,237.68/102,763.10
  6. Step 6: Final answer
    x = 59,278.39

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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.