Home / 140,144.08-210,184.58-40,282.02

Finding the Fourth Proportional to 140,144.08, 210,184.58 and 40,282.02

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Solution

The fourth proportional to 140,144.08, 210,184.58 and 40,282.02 is: 60,413.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,144.08 : 210,184.58 = 40,282.02 : x
  2. Step 2: Convert to fraction form
    140,144.08/210,184.58 = 40,282.02/x
  3. Step 3: Cross multiply
    140,144.08x = 210,184.58 × 40,282.02
  4. Step 4: Simplify right side
    140,144.08x = 8,466,659,455.25
  5. Step 5: Solve for x
    x = 8,466,659,455.25/140,144.08
  6. Step 6: Final answer
    x = 60,413.96

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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.