Home / 213,078.30-294,054.21-117,591.18

Finding the Fourth Proportional to 213,078.30, 294,054.21 and 117,591.18

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Solution

The fourth proportional to 213,078.30, 294,054.21 and 117,591.18 is: 162,279.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,078.30 : 294,054.21 = 117,591.18 : x
  2. Step 2: Convert to fraction form
    213,078.30/294,054.21 = 117,591.18/x
  3. Step 3: Cross multiply
    213,078.30x = 294,054.21 × 117,591.18
  4. Step 4: Simplify right side
    213,078.30x = 34,578,181,537.87
  5. Step 5: Solve for x
    x = 34,578,181,537.87/213,078.30
  6. Step 6: Final answer
    x = 162,279.23

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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.