Home / 152,888.45-210,991.30-84,906.50

Finding the Fourth Proportional to 152,888.45, 210,991.30 and 84,906.50

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Solution

The fourth proportional to 152,888.45, 210,991.30 and 84,906.50 is: 117,173.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,888.45 : 210,991.30 = 84,906.50 : x
  2. Step 2: Convert to fraction form
    152,888.45/210,991.30 = 84,906.50/x
  3. Step 3: Cross multiply
    152,888.45x = 210,991.30 × 84,906.50
  4. Step 4: Simplify right side
    152,888.45x = 17,914,531,546.23
  5. Step 5: Solve for x
    x = 17,914,531,546.23/152,888.45
  6. Step 6: Final answer
    x = 117,173.88

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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.