Home / 126,622.58-174,740.91-72,917.15

Finding the Fourth Proportional to 126,622.58, 174,740.91 and 72,917.15

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Solution

The fourth proportional to 126,622.58, 174,740.91 and 72,917.15 is: 100,626.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,622.58 : 174,740.91 = 72,917.15 : x
  2. Step 2: Convert to fraction form
    126,622.58/174,740.91 = 72,917.15/x
  3. Step 3: Cross multiply
    126,622.58x = 174,740.91 × 72,917.15
  4. Step 4: Simplify right side
    126,622.58x = 12,741,609,145.61
  5. Step 5: Solve for x
    x = 12,741,609,145.61/126,622.58
  6. Step 6: Final answer
    x = 100,626.67

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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.