Home / 136,464.09-204,841.71-120,768.95

Finding the Fourth Proportional to 136,464.09, 204,841.71 and 120,768.95

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Solution

The fourth proportional to 136,464.09, 204,841.71 and 120,768.95 is: 181,282.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,464.09 : 204,841.71 = 120,768.95 : x
  2. Step 2: Convert to fraction form
    136,464.09/204,841.71 = 120,768.95/x
  3. Step 3: Cross multiply
    136,464.09x = 204,841.71 × 120,768.95
  4. Step 4: Simplify right side
    136,464.09x = 24,738,518,168.89
  5. Step 5: Solve for x
    x = 24,738,518,168.89/136,464.09
  6. Step 6: Final answer
    x = 181,282.25

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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.