Home / 211,564.76-317,191.62-100,834.52

Finding the Fourth Proportional to 211,564.76, 317,191.62 and 100,834.52

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Solution

The fourth proportional to 211,564.76, 317,191.62 and 100,834.52 is: 151,177.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,564.76 : 317,191.62 = 100,834.52 : x
  2. Step 2: Convert to fraction form
    211,564.76/317,191.62 = 100,834.52/x
  3. Step 3: Cross multiply
    211,564.76x = 317,191.62 × 100,834.52
  4. Step 4: Simplify right side
    211,564.76x = 31,983,864,750.72
  5. Step 5: Solve for x
    x = 31,983,864,750.72/211,564.76
  6. Step 6: Final answer
    x = 151,177.66

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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.