Home / 170,080.80-255,148.20-57,771.60

Finding the Fourth Proportional to 170,080.80, 255,148.20 and 57,771.60

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Solution

The fourth proportional to 170,080.80, 255,148.20 and 57,771.60 is: 86,666.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,080.80 : 255,148.20 = 57,771.60 : x
  2. Step 2: Convert to fraction form
    170,080.80/255,148.20 = 57,771.60/x
  3. Step 3: Cross multiply
    170,080.80x = 255,148.20 × 57,771.60
  4. Step 4: Simplify right side
    170,080.80x = 14,740,319,751.12
  5. Step 5: Solve for x
    x = 14,740,319,751.12/170,080.80
  6. Step 6: Final answer
    x = 86,666.57

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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.