Home / 140,158.87-210,266.04-51,413.14

Finding the Fourth Proportional to 140,158.87, 210,266.04 and 51,413.14

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Solution

The fourth proportional to 140,158.87, 210,266.04 and 51,413.14 is: 77,129.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,158.87 : 210,266.04 = 51,413.14 : x
  2. Step 2: Convert to fraction form
    140,158.87/210,266.04 = 51,413.14/x
  3. Step 3: Cross multiply
    140,158.87x = 210,266.04 × 51,413.14
  4. Step 4: Simplify right side
    140,158.87x = 10,810,436,300.44
  5. Step 5: Solve for x
    x = 10,810,436,300.44/140,158.87
  6. Step 6: Final answer
    x = 77,129.88

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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.