Home / 152,147.60-228,221.40-67,907.60

Finding the Fourth Proportional to 152,147.60, 228,221.40 and 67,907.60

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Solution

The fourth proportional to 152,147.60, 228,221.40 and 67,907.60 is: 101,861.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,147.60 : 228,221.40 = 67,907.60 : x
  2. Step 2: Convert to fraction form
    152,147.60/228,221.40 = 67,907.60/x
  3. Step 3: Cross multiply
    152,147.60x = 228,221.40 × 67,907.60
  4. Step 4: Simplify right side
    152,147.60x = 15,497,967,542.64
  5. Step 5: Solve for x
    x = 15,497,967,542.64/152,147.60
  6. Step 6: Final answer
    x = 101,861.40

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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.