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Finding the Fourth Proportional to 170,070.80, 255,133.20 and 57,761.60

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Solution

The fourth proportional to 170,070.80, 255,133.20 and 57,761.60 is: 86,651.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,070.80 : 255,133.20 = 57,761.60 : x
  2. Step 2: Convert to fraction form
    170,070.80/255,133.20 = 57,761.60/x
  3. Step 3: Cross multiply
    170,070.80x = 255,133.20 × 57,761.60
  4. Step 4: Simplify right side
    170,070.80x = 14,736,901,845.12
  5. Step 5: Solve for x
    x = 14,736,901,845.12/170,070.80
  6. Step 6: Final answer
    x = 86,651.57

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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.