Home / 213,149.49-294,146.34-117,656.22

Finding the Fourth Proportional to 213,149.49, 294,146.34 and 117,656.22

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Solution

The fourth proportional to 213,149.49, 294,146.34 and 117,656.22 is: 162,365.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,149.49 : 294,146.34 = 117,656.22 : x
  2. Step 2: Convert to fraction form
    213,149.49/294,146.34 = 117,656.22/x
  3. Step 3: Cross multiply
    213,149.49x = 294,146.34 × 117,656.22
  4. Step 4: Simplify right side
    213,149.49x = 34,608,146,491.23
  5. Step 5: Solve for x
    x = 34,608,146,491.23/213,149.49
  6. Step 6: Final answer
    x = 162,365.61

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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.