Home / 112,277.36-154,942.44-61,976

Finding the Fourth Proportional to 112,277.36, 154,942.44 and 61,976

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Solution

The fourth proportional to 112,277.36, 154,942.44 and 61,976 is: 85,526.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,277.36 : 154,942.44 = 61,976 : x
  2. Step 2: Convert to fraction form
    112,277.36/154,942.44 = 61,976/x
  3. Step 3: Cross multiply
    112,277.36x = 154,942.44 × 61,976
  4. Step 4: Simplify right side
    112,277.36x = 9,602,712,661.44
  5. Step 5: Solve for x
    x = 9,602,712,661.44/112,277.36
  6. Step 6: Final answer
    x = 85,526.71

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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.