Home / 140,189.95-210,232.98-50,218.65

Finding the Fourth Proportional to 140,189.95, 210,232.98 and 50,218.65

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Solution

The fourth proportional to 140,189.95, 210,232.98 and 50,218.65 is: 75,309.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,189.95 : 210,232.98 = 50,218.65 : x
  2. Step 2: Convert to fraction form
    140,189.95/210,232.98 = 50,218.65/x
  3. Step 3: Cross multiply
    140,189.95x = 210,232.98 × 50,218.65
  4. Step 4: Simplify right side
    140,189.95x = 10,557,616,441.08
  5. Step 5: Solve for x
    x = 10,557,616,441.08/140,189.95
  6. Step 6: Final answer
    x = 75,309.37

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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.