Home / 152,912.80-229,368.96-100,309.76

Finding the Fourth Proportional to 152,912.80, 229,368.96 and 100,309.76

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Solution

The fourth proportional to 152,912.80, 229,368.96 and 100,309.76 is: 150,464.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,912.80 : 229,368.96 = 100,309.76 : x
  2. Step 2: Convert to fraction form
    152,912.80/229,368.96 = 100,309.76/x
  3. Step 3: Cross multiply
    152,912.80x = 229,368.96 × 100,309.76
  4. Step 4: Simplify right side
    152,912.80x = 23,007,945,329.05
  5. Step 5: Solve for x
    x = 23,007,945,329.05/152,912.80
  6. Step 6: Final answer
    x = 150,464.48

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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.