Home / 112,744.98-155,519.73-74,504.88

Finding the Fourth Proportional to 112,744.98, 155,519.73 and 74,504.88

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Solution

The fourth proportional to 112,744.98, 155,519.73 and 74,504.88 is: 102,771.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,744.98 : 155,519.73 = 74,504.88 : x
  2. Step 2: Convert to fraction form
    112,744.98/155,519.73 = 74,504.88/x
  3. Step 3: Cross multiply
    112,744.98x = 155,519.73 × 74,504.88
  4. Step 4: Simplify right side
    112,744.98x = 11,586,978,821.28
  5. Step 5: Solve for x
    x = 11,586,978,821.28/112,744.98
  6. Step 6: Final answer
    x = 102,771.57

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1.5x scale

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.