Home / 211,668.42-317,076.12-140,631.06

Finding the Fourth Proportional to 211,668.42, 317,076.12 and 140,631.06

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Solution

The fourth proportional to 211,668.42, 317,076.12 and 140,631.06 is: 210,663.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,668.42 : 317,076.12 = 140,631.06 : x
  2. Step 2: Convert to fraction form
    211,668.42/317,076.12 = 140,631.06/x
  3. Step 3: Cross multiply
    211,668.42x = 317,076.12 × 140,631.06
  4. Step 4: Simplify right side
    211,668.42x = 44,590,750,856.29
  5. Step 5: Solve for x
    x = 44,590,750,856.29/211,668.42
  6. Step 6: Final answer
    x = 210,663.22

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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.