Home / 126,427.30-174,469.12-69,838.67

Finding the Fourth Proportional to 126,427.30, 174,469.12 and 69,838.67

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Solution

The fourth proportional to 126,427.30, 174,469.12 and 69,838.67 is: 96,377.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,427.30 : 174,469.12 = 69,838.67 : x
  2. Step 2: Convert to fraction form
    126,427.30/174,469.12 = 69,838.67/x
  3. Step 3: Cross multiply
    126,427.30x = 174,469.12 × 69,838.67
  4. Step 4: Simplify right side
    126,427.30x = 12,184,691,558.45
  5. Step 5: Solve for x
    x = 12,184,691,558.45/126,427.30
  6. Step 6: Final answer
    x = 96,377.06

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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.