Home / 122,664.60-183,996.90-121,498.20

Finding the Fourth Proportional to 122,664.60, 183,996.90 and 121,498.20

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Solution

The fourth proportional to 122,664.60, 183,996.90 and 121,498.20 is: 182,247.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,664.60 : 183,996.90 = 121,498.20 : x
  2. Step 2: Convert to fraction form
    122,664.60/183,996.90 = 121,498.20/x
  3. Step 3: Cross multiply
    122,664.60x = 183,996.90 × 121,498.20
  4. Step 4: Simplify right side
    122,664.60x = 22,355,292,155.58
  5. Step 5: Solve for x
    x = 22,355,292,155.58/122,664.60
  6. Step 6: Final answer
    x = 182,247.30

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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.