Home / 153,745.20-212,087.70-125,096.85

Finding the Fourth Proportional to 153,745.20, 212,087.70 and 125,096.85

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Solution

The fourth proportional to 153,745.20, 212,087.70 and 125,096.85 is: 172,568.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,745.20 : 212,087.70 = 125,096.85 : x
  2. Step 2: Convert to fraction form
    153,745.20/212,087.70 = 125,096.85/x
  3. Step 3: Cross multiply
    153,745.20x = 212,087.70 × 125,096.85
  4. Step 4: Simplify right side
    153,745.20x = 26,531,503,193.75
  5. Step 5: Solve for x
    x = 26,531,503,193.75/153,745.20
  6. Step 6: Final answer
    x = 172,568.01

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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.