Home / 170,530.94-255,577.50-81,651.26

Finding the Fourth Proportional to 170,530.94, 255,577.50 and 81,651.26

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Solution

The fourth proportional to 170,530.94, 255,577.50 and 81,651.26 is: 122,372.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,530.94 : 255,577.50 = 81,651.26 : x
  2. Step 2: Convert to fraction form
    170,530.94/255,577.50 = 81,651.26/x
  3. Step 3: Cross multiply
    170,530.94x = 255,577.50 × 81,651.26
  4. Step 4: Simplify right side
    170,530.94x = 20,868,224,902.65
  5. Step 5: Solve for x
    x = 20,868,224,902.65/170,530.94
  6. Step 6: Final answer
    x = 122,372.07

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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.