Home / 111,366.75-166,970.79-52,170.12

Finding the Fourth Proportional to 111,366.75, 166,970.79 and 52,170.12

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Solution

The fourth proportional to 111,366.75, 166,970.79 and 52,170.12 is: 78,218.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,366.75 : 166,970.79 = 52,170.12 : x
  2. Step 2: Convert to fraction form
    111,366.75/166,970.79 = 52,170.12/x
  3. Step 3: Cross multiply
    111,366.75x = 166,970.79 × 52,170.12
  4. Step 4: Simplify right side
    111,366.75x = 8,710,886,150.79
  5. Step 5: Solve for x
    x = 8,710,886,150.79/111,366.75
  6. Step 6: Final answer
    x = 78,218.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.