Home / 213,128.10-294,116.22-117,634.14

Finding the Fourth Proportional to 213,128.10, 294,116.22 and 117,634.14

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Solution

The fourth proportional to 213,128.10, 294,116.22 and 117,634.14 is: 162,334.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,128.10 : 294,116.22 = 117,634.14 : x
  2. Step 2: Convert to fraction form
    213,128.10/294,116.22 = 117,634.14/x
  3. Step 3: Cross multiply
    213,128.10x = 294,116.22 × 117,634.14
  4. Step 4: Simplify right side
    213,128.10x = 34,598,108,599.75
  5. Step 5: Solve for x
    x = 34,598,108,599.75/213,128.10
  6. Step 6: Final answer
    x = 162,334.81

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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.