Home / 137,922.66-190,333.44-77,493.24

Finding the Fourth Proportional to 137,922.66, 190,333.44 and 77,493.24

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Solution

The fourth proportional to 137,922.66, 190,333.44 and 77,493.24 is: 106,940.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,922.66 : 190,333.44 = 77,493.24 : x
  2. Step 2: Convert to fraction form
    137,922.66/190,333.44 = 77,493.24/x
  3. Step 3: Cross multiply
    137,922.66x = 190,333.44 × 77,493.24
  4. Step 4: Simplify right side
    137,922.66x = 14,749,554,945.95
  5. Step 5: Solve for x
    x = 14,749,554,945.95/137,922.66
  6. Step 6: Final answer
    x = 106,940.77

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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.