Home / 170,075.80-255,140.70-57,766.60

Finding the Fourth Proportional to 170,075.80, 255,140.70 and 57,766.60

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Solution

The fourth proportional to 170,075.80, 255,140.70 and 57,766.60 is: 86,659.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,075.80 : 255,140.70 = 57,766.60 : x
  2. Step 2: Convert to fraction form
    170,075.80/255,140.70 = 57,766.60/x
  3. Step 3: Cross multiply
    170,075.80x = 255,140.70 × 57,766.60
  4. Step 4: Simplify right side
    170,075.80x = 14,738,610,760.62
  5. Step 5: Solve for x
    x = 14,738,610,760.62/170,075.80
  6. Step 6: Final answer
    x = 86,659.07

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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.