Home / 238,432.36-329,037.06-131,001.40

Finding the Fourth Proportional to 238,432.36, 329,037.06 and 131,001.40

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Solution

The fourth proportional to 238,432.36, 329,037.06 and 131,001.40 is: 180,782.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,432.36 : 329,037.06 = 131,001.40 : x
  2. Step 2: Convert to fraction form
    238,432.36/329,037.06 = 131,001.40/x
  3. Step 3: Cross multiply
    238,432.36x = 329,037.06 × 131,001.40
  4. Step 4: Simplify right side
    238,432.36x = 43,104,315,511.88
  5. Step 5: Solve for x
    x = 43,104,315,511.88/238,432.36
  6. Step 6: Final answer
    x = 180,782.15

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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.