Home / 112,255.36-154,912.08-61,954

Finding the Fourth Proportional to 112,255.36, 154,912.08 and 61,954

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Solution

The fourth proportional to 112,255.36, 154,912.08 and 61,954 is: 85,496.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,255.36 : 154,912.08 = 61,954 : x
  2. Step 2: Convert to fraction form
    112,255.36/154,912.08 = 61,954/x
  3. Step 3: Cross multiply
    112,255.36x = 154,912.08 × 61,954
  4. Step 4: Simplify right side
    112,255.36x = 9,597,423,004.32
  5. Step 5: Solve for x
    x = 9,597,423,004.32/112,255.36
  6. Step 6: Final answer
    x = 85,496.35

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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.