Home / 126,790.29-190,203.98-38,050.80

Finding the Fourth Proportional to 126,790.29, 190,203.98 and 38,050.80

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Solution

The fourth proportional to 126,790.29, 190,203.98 and 38,050.80 is: 57,081.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,790.29 : 190,203.98 = 38,050.80 : x
  2. Step 2: Convert to fraction form
    126,790.29/190,203.98 = 38,050.80/x
  3. Step 3: Cross multiply
    126,790.29x = 190,203.98 × 38,050.80
  4. Step 4: Simplify right side
    126,790.29x = 7,237,414,125.19
  5. Step 5: Solve for x
    x = 7,237,414,125.19/126,790.29
  6. Step 6: Final answer
    x = 57,081.77

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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.