Home / 238,509.16-329,151.30-131,087.36

Finding the Fourth Proportional to 238,509.16, 329,151.30 and 131,087.36

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Solution

The fourth proportional to 238,509.16, 329,151.30 and 131,087.36 is: 180,905.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,509.16 : 329,151.30 = 131,087.36 : x
  2. Step 2: Convert to fraction form
    238,509.16/329,151.30 = 131,087.36/x
  3. Step 3: Cross multiply
    238,509.16x = 329,151.30 × 131,087.36
  4. Step 4: Simplify right side
    238,509.16x = 43,147,575,288.87
  5. Step 5: Solve for x
    x = 43,147,575,288.87/238,509.16
  6. Step 6: Final answer
    x = 180,905.32

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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.