Home / 245,107.98-338,196.54-143,087.14

Finding the Fourth Proportional to 245,107.98, 338,196.54 and 143,087.14

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Solution

The fourth proportional to 245,107.98, 338,196.54 and 143,087.14 is: 197,429.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,107.98 : 338,196.54 = 143,087.14 : x
  2. Step 2: Convert to fraction form
    245,107.98/338,196.54 = 143,087.14/x
  3. Step 3: Cross multiply
    245,107.98x = 338,196.54 × 143,087.14
  4. Step 4: Simplify right side
    245,107.98x = 48,391,575,674.64
  5. Step 5: Solve for x
    x = 48,391,575,674.64/245,107.98
  6. Step 6: Final answer
    x = 197,429.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.