Home / 149,745.63-206,574.39-89,273.67

Finding the Fourth Proportional to 149,745.63, 206,574.39 and 89,273.67

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Solution

The fourth proportional to 149,745.63, 206,574.39 and 89,273.67 is: 123,153.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,745.63 : 206,574.39 = 89,273.67 : x
  2. Step 2: Convert to fraction form
    149,745.63/206,574.39 = 89,273.67/x
  3. Step 3: Cross multiply
    149,745.63x = 206,574.39 × 89,273.67
  4. Step 4: Simplify right side
    149,745.63x = 18,441,653,923.31
  5. Step 5: Solve for x
    x = 18,441,653,923.31/149,745.63
  6. Step 6: Final answer
    x = 123,153.20

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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.