Home / 140,159.37-210,266.79-51,413.64

Finding the Fourth Proportional to 140,159.37, 210,266.79 and 51,413.64

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Solution

The fourth proportional to 140,159.37, 210,266.79 and 51,413.64 is: 77,130.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,159.37 : 210,266.79 = 51,413.64 : x
  2. Step 2: Convert to fraction form
    140,159.37/210,266.79 = 51,413.64/x
  3. Step 3: Cross multiply
    140,159.37x = 210,266.79 × 51,413.64
  4. Step 4: Simplify right side
    140,159.37x = 10,810,581,045.02
  5. Step 5: Solve for x
    x = 10,810,581,045.02/140,159.37
  6. Step 6: Final answer
    x = 77,130.63

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1.5x scale

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.