Home / 112,501.80-168,795.90-110,730.60

Finding the Fourth Proportional to 112,501.80, 168,795.90 and 110,730.60

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Solution

The fourth proportional to 112,501.80, 168,795.90 and 110,730.60 is: 166,138.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,501.80 : 168,795.90 = 110,730.60 : x
  2. Step 2: Convert to fraction form
    112,501.80/168,795.90 = 110,730.60/x
  3. Step 3: Cross multiply
    112,501.80x = 168,795.90 × 110,730.60
  4. Step 4: Simplify right side
    112,501.80x = 18,690,871,284.54
  5. Step 5: Solve for x
    x = 18,690,871,284.54/112,501.80
  6. Step 6: Final answer
    x = 166,138.42

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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.