Home / 126,037.53-189,059.94-47,136.69

Finding the Fourth Proportional to 126,037.53, 189,059.94 and 47,136.69

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Solution

The fourth proportional to 126,037.53, 189,059.94 and 47,136.69 is: 70,706.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,037.53 : 189,059.94 = 47,136.69 : x
  2. Step 2: Convert to fraction form
    126,037.53/189,059.94 = 47,136.69/x
  3. Step 3: Cross multiply
    126,037.53x = 189,059.94 × 47,136.69
  4. Step 4: Simplify right side
    126,037.53x = 8,911,659,783.20
  5. Step 5: Solve for x
    x = 8,911,659,783.20/126,037.53
  6. Step 6: Final answer
    x = 70,706.40

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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.