Home / 149,438.03-206,107.83-95,728.05

Finding the Fourth Proportional to 149,438.03, 206,107.83 and 95,728.05

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Solution

The fourth proportional to 149,438.03, 206,107.83 and 95,728.05 is: 132,029.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,438.03 : 206,107.83 = 95,728.05 : x
  2. Step 2: Convert to fraction form
    149,438.03/206,107.83 = 95,728.05/x
  3. Step 3: Cross multiply
    149,438.03x = 206,107.83 × 95,728.05
  4. Step 4: Simplify right side
    149,438.03x = 19,730,300,402.20
  5. Step 5: Solve for x
    x = 19,730,300,402.20/149,438.03
  6. Step 6: Final answer
    x = 132,029.98

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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.