Home / 111,917.80-154,442.80-60,929.57

Finding the Fourth Proportional to 111,917.80, 154,442.80 and 60,929.57

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Solution

The fourth proportional to 111,917.80, 154,442.80 and 60,929.57 is: 84,080.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,917.80 : 154,442.80 = 60,929.57 : x
  2. Step 2: Convert to fraction form
    111,917.80/154,442.80 = 60,929.57/x
  3. Step 3: Cross multiply
    111,917.80x = 154,442.80 × 60,929.57
  4. Step 4: Simplify right side
    111,917.80x = 9,410,133,393.60
  5. Step 5: Solve for x
    x = 9,410,133,393.60/111,917.80
  6. Step 6: Final answer
    x = 84,080.76

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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.