Home / 149,747.70-206,627.43-88,485.36

Finding the Fourth Proportional to 149,747.70, 206,627.43 and 88,485.36

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Solution

The fourth proportional to 149,747.70, 206,627.43 and 88,485.36 is: 122,095.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,747.70 : 206,627.43 = 88,485.36 : x
  2. Step 2: Convert to fraction form
    149,747.70/206,627.43 = 88,485.36/x
  3. Step 3: Cross multiply
    149,747.70x = 206,627.43 × 88,485.36
  4. Step 4: Simplify right side
    149,747.70x = 18,283,502,529.42
  5. Step 5: Solve for x
    x = 18,283,502,529.42/149,747.70
  6. Step 6: Final answer
    x = 122,095.38

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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.