Home / 213,128.82-294,117.48-117,635.49

Finding the Fourth Proportional to 213,128.82, 294,117.48 and 117,635.49

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Solution

The fourth proportional to 213,128.82, 294,117.48 and 117,635.49 is: 162,336.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,128.82 : 294,117.48 = 117,635.49 : x
  2. Step 2: Convert to fraction form
    213,128.82/294,117.48 = 117,635.49/x
  3. Step 3: Cross multiply
    213,128.82x = 294,117.48 × 117,635.49
  4. Step 4: Simplify right side
    213,128.82x = 34,598,653,877.37
  5. Step 5: Solve for x
    x = 34,598,653,877.37/213,128.82
  6. Step 6: Final answer
    x = 162,336.82

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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.