Home / 140,696.92-194,166.63-77,035.15

Finding the Fourth Proportional to 140,696.92, 194,166.63 and 77,035.15

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Solution

The fourth proportional to 140,696.92, 194,166.63 and 77,035.15 is: 106,311.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,696.92 : 194,166.63 = 77,035.15 : x
  2. Step 2: Convert to fraction form
    140,696.92/194,166.63 = 77,035.15/x
  3. Step 3: Cross multiply
    140,696.92x = 194,166.63 × 77,035.15
  4. Step 4: Simplify right side
    140,696.92x = 14,957,655,467.04
  5. Step 5: Solve for x
    x = 14,957,655,467.04/140,696.92
  6. Step 6: Final answer
    x = 106,311.18

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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.