Home / 139,734.34-192,827.34-76,072.36

Finding the Fourth Proportional to 139,734.34, 192,827.34 and 76,072.36

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Solution

The fourth proportional to 139,734.34, 192,827.34 and 76,072.36 is: 104,976.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,734.34 : 192,827.34 = 76,072.36 : x
  2. Step 2: Convert to fraction form
    139,734.34/192,827.34 = 76,072.36/x
  3. Step 3: Cross multiply
    139,734.34x = 192,827.34 × 76,072.36
  4. Step 4: Simplify right side
    139,734.34x = 14,668,830,826.32
  5. Step 5: Solve for x
    x = 14,668,830,826.32/139,734.34
  6. Step 6: Final answer
    x = 104,976.56

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1.5x scale

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.