Home / 208,768.48-288,099.54-113,274.94

Finding the Fourth Proportional to 208,768.48, 288,099.54 and 113,274.94

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Solution

The fourth proportional to 208,768.48, 288,099.54 and 113,274.94 is: 156,318.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,768.48 : 288,099.54 = 113,274.94 : x
  2. Step 2: Convert to fraction form
    208,768.48/288,099.54 = 113,274.94/x
  3. Step 3: Cross multiply
    208,768.48x = 288,099.54 × 113,274.94
  4. Step 4: Simplify right side
    208,768.48x = 32,634,458,107.53
  5. Step 5: Solve for x
    x = 32,634,458,107.53/208,768.48
  6. Step 6: Final answer
    x = 156,318.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.