Home / 251,607.20-377,099.76-126,880.16

Finding the Fourth Proportional to 251,607.20, 377,099.76 and 126,880.16

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Solution

The fourth proportional to 251,607.20, 377,099.76 and 126,880.16 is: 190,163.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,607.20 : 377,099.76 = 126,880.16 : x
  2. Step 2: Convert to fraction form
    251,607.20/377,099.76 = 126,880.16/x
  3. Step 3: Cross multiply
    251,607.20x = 377,099.76 × 126,880.16
  4. Step 4: Simplify right side
    251,607.20x = 47,846,477,884.76
  5. Step 5: Solve for x
    x = 47,846,477,884.76/251,607.20
  6. Step 6: Final answer
    x = 190,163.39

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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.