Home / 139,717.56-192,804.21-76,055.25

Finding the Fourth Proportional to 139,717.56, 192,804.21 and 76,055.25

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Solution

The fourth proportional to 139,717.56, 192,804.21 and 76,055.25 is: 104,952.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,717.56 : 192,804.21 = 76,055.25 : x
  2. Step 2: Convert to fraction form
    139,717.56/192,804.21 = 76,055.25/x
  3. Step 3: Cross multiply
    139,717.56x = 192,804.21 × 76,055.25
  4. Step 4: Simplify right side
    139,717.56x = 14,663,772,392.60
  5. Step 5: Solve for x
    x = 14,663,772,392.60/139,717.56
  6. Step 6: Final answer
    x = 104,952.97

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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.