Home / 148,458.96-222,688.44-128,408.85

Finding the Fourth Proportional to 148,458.96, 222,688.44 and 128,408.85

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Solution

The fourth proportional to 148,458.96, 222,688.44 and 128,408.85 is: 192,613.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,458.96 : 222,688.44 = 128,408.85 : x
  2. Step 2: Convert to fraction form
    148,458.96/222,688.44 = 128,408.85/x
  3. Step 3: Cross multiply
    148,458.96x = 222,688.44 × 128,408.85
  4. Step 4: Simplify right side
    148,458.96x = 28,595,166,488.69
  5. Step 5: Solve for x
    x = 28,595,166,488.69/148,458.96
  6. Step 6: Final answer
    x = 192,613.28

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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.