Home / 213,891.36-295,177.02-123,240.12

Finding the Fourth Proportional to 213,891.36, 295,177.02 and 123,240.12

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Solution

The fourth proportional to 213,891.36, 295,177.02 and 123,240.12 is: 170,075.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,891.36 : 295,177.02 = 123,240.12 : x
  2. Step 2: Convert to fraction form
    213,891.36/295,177.02 = 123,240.12/x
  3. Step 3: Cross multiply
    213,891.36x = 295,177.02 × 123,240.12
  4. Step 4: Simplify right side
    213,891.36x = 36,377,651,366.04
  5. Step 5: Solve for x
    x = 36,377,651,366.04/213,891.36
  6. Step 6: Final answer
    x = 170,075.37

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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.