Home / 126,810.92-190,209.84-42,571.73

Finding the Fourth Proportional to 126,810.92, 190,209.84 and 42,571.73

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Solution

The fourth proportional to 126,810.92, 190,209.84 and 42,571.73 is: 63,855.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,810.92 : 190,209.84 = 42,571.73 : x
  2. Step 2: Convert to fraction form
    126,810.92/190,209.84 = 42,571.73/x
  3. Step 3: Cross multiply
    126,810.92x = 190,209.84 × 42,571.73
  4. Step 4: Simplify right side
    126,810.92x = 8,097,561,000.77
  5. Step 5: Solve for x
    x = 8,097,561,000.77/126,810.92
  6. Step 6: Final answer
    x = 63,855.39

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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.