Home / 149,028.80-223,570.94-69,013.95

Finding the Fourth Proportional to 149,028.80, 223,570.94 and 69,013.95

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Solution

The fourth proportional to 149,028.80, 223,570.94 and 69,013.95 is: 103,533.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,028.80 : 223,570.94 = 69,013.95 : x
  2. Step 2: Convert to fraction form
    149,028.80/223,570.94 = 69,013.95/x
  3. Step 3: Cross multiply
    149,028.80x = 223,570.94 × 69,013.95
  4. Step 4: Simplify right side
    149,028.80x = 15,429,513,067.65
  5. Step 5: Solve for x
    x = 15,429,513,067.65/149,028.80
  6. Step 6: Final answer
    x = 103,533.77

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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.