Home / 122,086.80-183,259.62-108,137.34

Finding the Fourth Proportional to 122,086.80, 183,259.62 and 108,137.34

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Solution

The fourth proportional to 122,086.80, 183,259.62 and 108,137.34 is: 162,320.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,086.80 : 183,259.62 = 108,137.34 : x
  2. Step 2: Convert to fraction form
    122,086.80/183,259.62 = 108,137.34/x
  3. Step 3: Cross multiply
    122,086.80x = 183,259.62 × 108,137.34
  4. Step 4: Simplify right side
    122,086.80x = 19,817,207,836.21
  5. Step 5: Solve for x
    x = 19,817,207,836.21/122,086.80
  6. Step 6: Final answer
    x = 162,320.64

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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.