Home / 213,939.93-295,302.71-123,356.22

Finding the Fourth Proportional to 213,939.93, 295,302.71 and 123,356.22

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Solution

The fourth proportional to 213,939.93, 295,302.71 and 123,356.22 is: 170,269.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,939.93 : 295,302.71 = 123,356.22 : x
  2. Step 2: Convert to fraction form
    213,939.93/295,302.71 = 123,356.22/x
  3. Step 3: Cross multiply
    213,939.93x = 295,302.71 × 123,356.22
  4. Step 4: Simplify right side
    213,939.93x = 36,427,425,262.36
  5. Step 5: Solve for x
    x = 36,427,425,262.36/213,939.93
  6. Step 6: Final answer
    x = 170,269.41

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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.