Home / 213,058.25-294,029.09-122,442.64

Finding the Fourth Proportional to 213,058.25, 294,029.09 and 122,442.64

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Solution

The fourth proportional to 213,058.25, 294,029.09 and 122,442.64 is: 168,975.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,058.25 : 294,029.09 = 122,442.64 : x
  2. Step 2: Convert to fraction form
    213,058.25/294,029.09 = 122,442.64/x
  3. Step 3: Cross multiply
    213,058.25x = 294,029.09 × 122,442.64
  4. Step 4: Simplify right side
    213,058.25x = 36,001,697,128.27
  5. Step 5: Solve for x
    x = 36,001,697,128.27/213,058.25
  6. Step 6: Final answer
    x = 168,975.84

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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.