Home / 140,158.93-210,266.09-51,413.20

Finding the Fourth Proportional to 140,158.93, 210,266.09 and 51,413.20

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Solution

The fourth proportional to 140,158.93, 210,266.09 and 51,413.20 is: 77,129.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,158.93 : 210,266.09 = 51,413.20 : x
  2. Step 2: Convert to fraction form
    140,158.93/210,266.09 = 51,413.20/x
  3. Step 3: Cross multiply
    140,158.93x = 210,266.09 × 51,413.20
  4. Step 4: Simplify right side
    140,158.93x = 10,810,452,544.15
  5. Step 5: Solve for x
    x = 10,810,452,544.15/140,158.93
  6. Step 6: Final answer
    x = 77,129.96

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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.