Home / 245,692.19-339,057.63-136,798.04

Finding the Fourth Proportional to 245,692.19, 339,057.63 and 136,798.04

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Solution

The fourth proportional to 245,692.19, 339,057.63 and 136,798.04 is: 188,782.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,692.19 : 339,057.63 = 136,798.04 : x
  2. Step 2: Convert to fraction form
    245,692.19/339,057.63 = 136,798.04/x
  3. Step 3: Cross multiply
    245,692.19x = 339,057.63 × 136,798.04
  4. Step 4: Simplify right side
    245,692.19x = 46,382,419,702.21
  5. Step 5: Solve for x
    x = 46,382,419,702.21/245,692.19
  6. Step 6: Final answer
    x = 188,782.64

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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.