Home / 111,898.43-154,417.64-60,912.32

Finding the Fourth Proportional to 111,898.43, 154,417.64 and 60,912.32

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Solution

The fourth proportional to 111,898.43, 154,417.64 and 60,912.32 is: 84,057.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,898.43 : 154,417.64 = 60,912.32 : x
  2. Step 2: Convert to fraction form
    111,898.43/154,417.64 = 60,912.32/x
  3. Step 3: Cross multiply
    111,898.43x = 154,417.64 × 60,912.32
  4. Step 4: Simplify right side
    111,898.43x = 9,405,936,835.91
  5. Step 5: Solve for x
    x = 9,405,936,835.91/111,898.43
  6. Step 6: Final answer
    x = 84,057.81

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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.