Home / 148,288.32-222,238.08-128,485.44

Finding the Fourth Proportional to 148,288.32, 222,238.08 and 128,485.44

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Solution

The fourth proportional to 148,288.32, 222,238.08 and 128,485.44 is: 192,559.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,288.32 : 222,238.08 = 128,485.44 : x
  2. Step 2: Convert to fraction form
    148,288.32/222,238.08 = 128,485.44/x
  3. Step 3: Cross multiply
    148,288.32x = 222,238.08 × 128,485.44
  4. Step 4: Simplify right side
    148,288.32x = 28,554,357,493.56
  5. Step 5: Solve for x
    x = 28,554,357,493.56/148,288.32
  6. Step 6: Final answer
    x = 192,559.72

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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.