Home / 149,047.80-223,425.90-74,106.60

Finding the Fourth Proportional to 149,047.80, 223,425.90 and 74,106.60

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Solution

The fourth proportional to 149,047.80, 223,425.90 and 74,106.60 is: 111,087.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,047.80 : 223,425.90 = 74,106.60 : x
  2. Step 2: Convert to fraction form
    149,047.80/223,425.90 = 74,106.60/x
  3. Step 3: Cross multiply
    149,047.80x = 223,425.90 × 74,106.60
  4. Step 4: Simplify right side
    149,047.80x = 16,557,333,800.94
  5. Step 5: Solve for x
    x = 16,557,333,800.94/149,047.80
  6. Step 6: Final answer
    x = 111,087.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.