Home / 126,400.67-189,554.50-51,480.13

Finding the Fourth Proportional to 126,400.67, 189,554.50 and 51,480.13

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Solution

The fourth proportional to 126,400.67, 189,554.50 and 51,480.13 is: 77,201.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,400.67 : 189,554.50 = 51,480.13 : x
  2. Step 2: Convert to fraction form
    126,400.67/189,554.50 = 51,480.13/x
  3. Step 3: Cross multiply
    126,400.67x = 189,554.50 × 51,480.13
  4. Step 4: Simplify right side
    126,400.67x = 9,758,289,096.91
  5. Step 5: Solve for x
    x = 9,758,289,096.91/126,400.67
  6. Step 6: Final answer
    x = 77,201.25

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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.