Home / 213,216.78-294,237.15-117,724.14

Finding the Fourth Proportional to 213,216.78, 294,237.15 and 117,724.14

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Solution

The fourth proportional to 213,216.78, 294,237.15 and 117,724.14 is: 162,458.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,216.78 : 294,237.15 = 117,724.14 : x
  2. Step 2: Convert to fraction form
    213,216.78/294,237.15 = 117,724.14/x
  3. Step 3: Cross multiply
    213,216.78x = 294,237.15 × 117,724.14
  4. Step 4: Simplify right side
    213,216.78x = 34,638,815,439.80
  5. Step 5: Solve for x
    x = 34,638,815,439.80/213,216.78
  6. Step 6: Final answer
    x = 162,458.21

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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.