Home / 211,920.43-317,877.04-112,059.31

Finding the Fourth Proportional to 211,920.43, 317,877.04 and 112,059.31

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Solution

The fourth proportional to 211,920.43, 317,877.04 and 112,059.31 is: 168,087.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,920.43 : 317,877.04 = 112,059.31 : x
  2. Step 2: Convert to fraction form
    211,920.43/317,877.04 = 112,059.31/x
  3. Step 3: Cross multiply
    211,920.43x = 317,877.04 × 112,059.31
  4. Step 4: Simplify right side
    211,920.43x = 35,621,081,767.24
  5. Step 5: Solve for x
    x = 35,621,081,767.24/211,920.43
  6. Step 6: Final answer
    x = 168,087.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.