Home / 222,205.08-306,642.81-125,429.31

Finding the Fourth Proportional to 222,205.08, 306,642.81 and 125,429.31

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Solution

The fourth proportional to 222,205.08, 306,642.81 and 125,429.31 is: 173,092.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,205.08 : 306,642.81 = 125,429.31 : x
  2. Step 2: Convert to fraction form
    222,205.08/306,642.81 = 125,429.31/x
  3. Step 3: Cross multiply
    222,205.08x = 306,642.81 × 125,429.31
  4. Step 4: Simplify right side
    222,205.08x = 38,461,993,914.40
  5. Step 5: Solve for x
    x = 38,461,993,914.40/222,205.08
  6. Step 6: Final answer
    x = 173,092.33

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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.