Home / 213,907.09-295,195.27-117,109.32

Finding the Fourth Proportional to 213,907.09, 295,195.27 and 117,109.32

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Solution

The fourth proportional to 213,907.09, 295,195.27 and 117,109.32 is: 161,612.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,907.09 : 295,195.27 = 117,109.32 : x
  2. Step 2: Convert to fraction form
    213,907.09/295,195.27 = 117,109.32/x
  3. Step 3: Cross multiply
    213,907.09x = 295,195.27 × 117,109.32
  4. Step 4: Simplify right side
    213,907.09x = 34,570,118,590.29
  5. Step 5: Solve for x
    x = 34,570,118,590.29/213,907.09
  6. Step 6: Final answer
    x = 161,612.77

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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.