Home / 147,374.16-221,087.97-84,265.44

Finding the Fourth Proportional to 147,374.16, 221,087.97 and 84,265.44

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Solution

The fourth proportional to 147,374.16, 221,087.97 and 84,265.44 is: 126,413.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,374.16 : 221,087.97 = 84,265.44 : x
  2. Step 2: Convert to fraction form
    147,374.16/221,087.97 = 84,265.44/x
  3. Step 3: Cross multiply
    147,374.16x = 221,087.97 × 84,265.44
  4. Step 4: Simplify right side
    147,374.16x = 18,630,075,070.76
  5. Step 5: Solve for x
    x = 18,630,075,070.76/147,374.16
  6. Step 6: Final answer
    x = 126,413.44

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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.