Home / 148,155.62-222,268.79-48,315.89

Finding the Fourth Proportional to 148,155.62, 222,268.79 and 48,315.89

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Solution

The fourth proportional to 148,155.62, 222,268.79 and 48,315.89 is: 72,485.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,155.62 : 222,268.79 = 48,315.89 : x
  2. Step 2: Convert to fraction form
    148,155.62/222,268.79 = 48,315.89/x
  3. Step 3: Cross multiply
    148,155.62x = 222,268.79 × 48,315.89
  4. Step 4: Simplify right side
    148,155.62x = 10,739,115,084.53
  5. Step 5: Solve for x
    x = 10,739,115,084.53/148,155.62
  6. Step 6: Final answer
    x = 72,485.37

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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.