Home / 139,769.06-192,884.76-76,110.32

Finding the Fourth Proportional to 139,769.06, 192,884.76 and 76,110.32

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Solution

The fourth proportional to 139,769.06, 192,884.76 and 76,110.32 is: 105,034.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,769.06 : 192,884.76 = 76,110.32 : x
  2. Step 2: Convert to fraction form
    139,769.06/192,884.76 = 76,110.32/x
  3. Step 3: Cross multiply
    139,769.06x = 192,884.76 × 76,110.32
  4. Step 4: Simplify right side
    139,769.06x = 14,680,520,806.72
  5. Step 5: Solve for x
    x = 14,680,520,806.72/139,769.06
  6. Step 6: Final answer
    x = 105,034.12

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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.