Home / 152,942.82-229,045.08-91,977.77

Finding the Fourth Proportional to 152,942.82, 229,045.08 and 91,977.77

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Solution

The fourth proportional to 152,942.82, 229,045.08 and 91,977.77 is: 137,744.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,942.82 : 229,045.08 = 91,977.77 : x
  2. Step 2: Convert to fraction form
    152,942.82/229,045.08 = 91,977.77/x
  3. Step 3: Cross multiply
    152,942.82x = 229,045.08 × 91,977.77
  4. Step 4: Simplify right side
    152,942.82x = 21,067,054,542.65
  5. Step 5: Solve for x
    x = 21,067,054,542.65/152,942.82
  6. Step 6: Final answer
    x = 137,744.65

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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.