Home / 213,161.58-294,165.02-117,666.22

Finding the Fourth Proportional to 213,161.58, 294,165.02 and 117,666.22

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Solution

The fourth proportional to 213,161.58, 294,165.02 and 117,666.22 is: 162,380.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,161.58 : 294,165.02 = 117,666.22 : x
  2. Step 2: Convert to fraction form
    213,161.58/294,165.02 = 117,666.22/x
  3. Step 3: Cross multiply
    213,161.58x = 294,165.02 × 117,666.22
  4. Step 4: Simplify right side
    213,161.58x = 34,613,285,959.62
  5. Step 5: Solve for x
    x = 34,613,285,959.62/213,161.58
  6. Step 6: Final answer
    x = 162,380.51

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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.