Home / 230,372.36-345,415.97-89,965.88

Finding the Fourth Proportional to 230,372.36, 345,415.97 and 89,965.88

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Solution

The fourth proportional to 230,372.36, 345,415.97 and 89,965.88 is: 134,893.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,372.36 : 345,415.97 = 89,965.88 : x
  2. Step 2: Convert to fraction form
    230,372.36/345,415.97 = 89,965.88/x
  3. Step 3: Cross multiply
    230,372.36x = 345,415.97 × 89,965.88
  4. Step 4: Simplify right side
    230,372.36x = 31,075,651,707.10
  5. Step 5: Solve for x
    x = 31,075,651,707.10/230,372.36
  6. Step 6: Final answer
    x = 134,893.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.