Home / 134,838.58-186,081.03-74,413.04

Finding the Fourth Proportional to 134,838.58, 186,081.03 and 74,413.04

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Solution

The fourth proportional to 134,838.58, 186,081.03 and 74,413.04 is: 102,692.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,838.58 : 186,081.03 = 74,413.04 : x
  2. Step 2: Convert to fraction form
    134,838.58/186,081.03 = 74,413.04/x
  3. Step 3: Cross multiply
    134,838.58x = 186,081.03 × 74,413.04
  4. Step 4: Simplify right side
    134,838.58x = 13,846,855,128.63
  5. Step 5: Solve for x
    x = 13,846,855,128.63/134,838.58
  6. Step 6: Final answer
    x = 102,692.09

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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.