Home / 238,945.69-329,745.03-130,050.80

Finding the Fourth Proportional to 238,945.69, 329,745.03 and 130,050.80

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Solution

The fourth proportional to 238,945.69, 329,745.03 and 130,050.80 is: 179,470.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,945.69 : 329,745.03 = 130,050.80 : x
  2. Step 2: Convert to fraction form
    238,945.69/329,745.03 = 130,050.80/x
  3. Step 3: Cross multiply
    238,945.69x = 329,745.03 × 130,050.80
  4. Step 4: Simplify right side
    238,945.69x = 42,883,605,829.02
  5. Step 5: Solve for x
    x = 42,883,605,829.02/238,945.69
  6. Step 6: Final answer
    x = 179,470.10

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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.