Home / 126,021.75-173,910.03-69,434.34

Finding the Fourth Proportional to 126,021.75, 173,910.03 and 69,434.34

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Solution

The fourth proportional to 126,021.75, 173,910.03 and 69,434.34 is: 95,819.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,021.75 : 173,910.03 = 69,434.34 : x
  2. Step 2: Convert to fraction form
    126,021.75/173,910.03 = 69,434.34/x
  3. Step 3: Cross multiply
    126,021.75x = 173,910.03 × 69,434.34
  4. Step 4: Simplify right side
    126,021.75x = 12,075,328,152.43
  5. Step 5: Solve for x
    x = 12,075,328,152.43/126,021.75
  6. Step 6: Final answer
    x = 95,819.40

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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.