Home / 102,167.75-140,992.20-56,847.65

Finding the Fourth Proportional to 102,167.75, 140,992.20 and 56,847.65

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Solution

The fourth proportional to 102,167.75, 140,992.20 and 56,847.65 is: 78,450.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,167.75 : 140,992.20 = 56,847.65 : x
  2. Step 2: Convert to fraction form
    102,167.75/140,992.20 = 56,847.65/x
  3. Step 3: Cross multiply
    102,167.75x = 140,992.20 × 56,847.65
  4. Step 4: Simplify right side
    102,167.75x = 8,015,075,238.33
  5. Step 5: Solve for x
    x = 8,015,075,238.33/102,167.75
  6. Step 6: Final answer
    x = 78,450.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.