Home / 122,434.60-183,651.90-121,268.20

Finding the Fourth Proportional to 122,434.60, 183,651.90 and 121,268.20

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Solution

The fourth proportional to 122,434.60, 183,651.90 and 121,268.20 is: 181,902.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,434.60 : 183,651.90 = 121,268.20 : x
  2. Step 2: Convert to fraction form
    122,434.60/183,651.90 = 121,268.20/x
  3. Step 3: Cross multiply
    122,434.60x = 183,651.90 × 121,268.20
  4. Step 4: Simplify right side
    122,434.60x = 22,271,135,339.58
  5. Step 5: Solve for x
    x = 22,271,135,339.58/122,434.60
  6. Step 6: Final answer
    x = 181,902.30

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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.