Home / 112,313.10-154,991.29-61,325.80

Finding the Fourth Proportional to 112,313.10, 154,991.29 and 61,325.80

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Solution

The fourth proportional to 112,313.10, 154,991.29 and 61,325.80 is: 84,629.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,313.10 : 154,991.29 = 61,325.80 : x
  2. Step 2: Convert to fraction form
    112,313.10/154,991.29 = 61,325.80/x
  3. Step 3: Cross multiply
    112,313.10x = 154,991.29 × 61,325.80
  4. Step 4: Simplify right side
    112,313.10x = 9,504,963,770.70
  5. Step 5: Solve for x
    x = 9,504,963,770.70/112,313.10
  6. Step 6: Final answer
    x = 84,629.16

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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.