Home / 211,743.05-317,588.45-61,981.74

Finding the Fourth Proportional to 211,743.05, 317,588.45 and 61,981.74

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Solution

The fourth proportional to 211,743.05, 317,588.45 and 61,981.74 is: 92,964.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,743.05 : 317,588.45 = 61,981.74 : x
  2. Step 2: Convert to fraction form
    211,743.05/317,588.45 = 61,981.74/x
  3. Step 3: Cross multiply
    211,743.05x = 317,588.45 × 61,981.74
  4. Step 4: Simplify right side
    211,743.05x = 19,684,684,424.99
  5. Step 5: Solve for x
    x = 19,684,684,424.99/211,743.05
  6. Step 6: Final answer
    x = 92,964.96

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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.