Home / 139,734.32-192,826.98-76,071.96

Finding the Fourth Proportional to 139,734.32, 192,826.98 and 76,071.96

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Solution

The fourth proportional to 139,734.32, 192,826.98 and 76,071.96 is: 104,975.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,734.32 : 192,826.98 = 76,071.96 : x
  2. Step 2: Convert to fraction form
    139,734.32/192,826.98 = 76,071.96/x
  3. Step 3: Cross multiply
    139,734.32x = 192,826.98 × 76,071.96
  4. Step 4: Simplify right side
    139,734.32x = 14,668,726,309.48
  5. Step 5: Solve for x
    x = 14,668,726,309.48/139,734.32
  6. Step 6: Final answer
    x = 104,975.83

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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.