Home / 213,173.82-294,176.34-117,678.06

Finding the Fourth Proportional to 213,173.82, 294,176.34 and 117,678.06

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Solution

The fourth proportional to 213,173.82, 294,176.34 and 117,678.06 is: 162,393.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,173.82 : 294,176.34 = 117,678.06 : x
  2. Step 2: Convert to fraction form
    213,173.82/294,176.34 = 117,678.06/x
  3. Step 3: Cross multiply
    213,173.82x = 294,176.34 × 117,678.06
  4. Step 4: Simplify right side
    213,173.82x = 34,618,100,989.10
  5. Step 5: Solve for x
    x = 34,618,100,989.10/213,173.82
  6. Step 6: Final answer
    x = 162,393.77

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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.