Home / 152,896.73-211,224.11-100,631.96

Finding the Fourth Proportional to 152,896.73, 211,224.11 and 100,631.96

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Solution

The fourth proportional to 152,896.73, 211,224.11 and 100,631.96 is: 139,021.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,896.73 : 211,224.11 = 100,631.96 : x
  2. Step 2: Convert to fraction form
    152,896.73/211,224.11 = 100,631.96/x
  3. Step 3: Cross multiply
    152,896.73x = 211,224.11 × 100,631.96
  4. Step 4: Simplify right side
    152,896.73x = 21,255,895,124.33
  5. Step 5: Solve for x
    x = 21,255,895,124.33/152,896.73
  6. Step 6: Final answer
    x = 139,021.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.