Home / 152,404.20-228,735.90-68,293.80

Finding the Fourth Proportional to 152,404.20, 228,735.90 and 68,293.80

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Solution

The fourth proportional to 152,404.20, 228,735.90 and 68,293.80 is: 102,498.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,404.20 : 228,735.90 = 68,293.80 : x
  2. Step 2: Convert to fraction form
    152,404.20/228,735.90 = 68,293.80/x
  3. Step 3: Cross multiply
    152,404.20x = 228,735.90 × 68,293.80
  4. Step 4: Simplify right side
    152,404.20x = 15,621,243,807.42
  5. Step 5: Solve for x
    x = 15,621,243,807.42/152,404.20
  6. Step 6: Final answer
    x = 102,498.78

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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.