Home / 238,539.98-329,192.70-131,118.32

Finding the Fourth Proportional to 238,539.98, 329,192.70 and 131,118.32

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Solution

The fourth proportional to 238,539.98, 329,192.70 and 131,118.32 is: 180,947.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,539.98 : 329,192.70 = 131,118.32 : x
  2. Step 2: Convert to fraction form
    238,539.98/329,192.70 = 131,118.32/x
  3. Step 3: Cross multiply
    238,539.98x = 329,192.70 × 131,118.32
  4. Step 4: Simplify right side
    238,539.98x = 43,163,193,780.26
  5. Step 5: Solve for x
    x = 43,163,193,780.26/238,539.98
  6. Step 6: Final answer
    x = 180,947.42

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1.5x scale

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.