Home / 136,636.22-203,595.98-121,730.60

Finding the Fourth Proportional to 136,636.22, 203,595.98 and 121,730.60

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Solution

The fourth proportional to 136,636.22, 203,595.98 and 121,730.60 is: 181,385.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,636.22 : 203,595.98 = 121,730.60 : x
  2. Step 2: Convert to fraction form
    136,636.22/203,595.98 = 121,730.60/x
  3. Step 3: Cross multiply
    136,636.22x = 203,595.98 × 121,730.60
  4. Step 4: Simplify right side
    136,636.22x = 24,783,860,802.99
  5. Step 5: Solve for x
    x = 24,783,860,802.99/136,636.22
  6. Step 6: Final answer
    x = 181,385.73

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.