Home / 111,958.20-154,501.02-60,970.32

Finding the Fourth Proportional to 111,958.20, 154,501.02 and 60,970.32

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Solution

The fourth proportional to 111,958.20, 154,501.02 and 60,970.32 is: 84,138.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,958.20 : 154,501.02 = 60,970.32 : x
  2. Step 2: Convert to fraction form
    111,958.20/154,501.02 = 60,970.32/x
  3. Step 3: Cross multiply
    111,958.20x = 154,501.02 × 60,970.32
  4. Step 4: Simplify right side
    111,958.20x = 9,419,976,629.73
  5. Step 5: Solve for x
    x = 9,419,976,629.73/111,958.20
  6. Step 6: Final answer
    x = 84,138.34

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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.