Home / 211,226.23-316,814.69-84,861.37

Finding the Fourth Proportional to 211,226.23, 316,814.69 and 84,861.37

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Solution

The fourth proportional to 211,226.23, 316,814.69 and 84,861.37 is: 127,282.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,226.23 : 316,814.69 = 84,861.37 : x
  2. Step 2: Convert to fraction form
    211,226.23/316,814.69 = 84,861.37/x
  3. Step 3: Cross multiply
    211,226.23x = 316,814.69 × 84,861.37
  4. Step 4: Simplify right side
    211,226.23x = 26,885,329,237.70
  5. Step 5: Solve for x
    x = 26,885,329,237.70/211,226.23
  6. Step 6: Final answer
    x = 127,282.15

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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.