Home / 223,441.95-308,351.90-121,467.61

Finding the Fourth Proportional to 223,441.95, 308,351.90 and 121,467.61

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Solution

The fourth proportional to 223,441.95, 308,351.90 and 121,467.61 is: 167,626.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,441.95 : 308,351.90 = 121,467.61 : x
  2. Step 2: Convert to fraction form
    223,441.95/308,351.90 = 121,467.61/x
  3. Step 3: Cross multiply
    223,441.95x = 308,351.90 × 121,467.61
  4. Step 4: Simplify right side
    223,441.95x = 37,454,768,331.96
  5. Step 5: Solve for x
    x = 37,454,768,331.96/223,441.95
  6. Step 6: Final answer
    x = 167,626.39

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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.