Home / 245,722.04-339,107.34-138,299.04

Finding the Fourth Proportional to 245,722.04, 339,107.34 and 138,299.04

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Solution

The fourth proportional to 245,722.04, 339,107.34 and 138,299.04 is: 190,858.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,722.04 : 339,107.34 = 138,299.04 : x
  2. Step 2: Convert to fraction form
    245,722.04/339,107.34 = 138,299.04/x
  3. Step 3: Cross multiply
    245,722.04x = 339,107.34 × 138,299.04
  4. Step 4: Simplify right side
    245,722.04x = 46,898,219,578.95
  5. Step 5: Solve for x
    x = 46,898,219,578.95/245,722.04
  6. Step 6: Final answer
    x = 190,858.82

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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.