Home / 230,301.29-345,451.94-89,961.50

Finding the Fourth Proportional to 230,301.29, 345,451.94 and 89,961.50

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Solution

The fourth proportional to 230,301.29, 345,451.94 and 89,961.50 is: 134,942.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,301.29 : 345,451.94 = 89,961.50 : x
  2. Step 2: Convert to fraction form
    230,301.29/345,451.94 = 89,961.50/x
  3. Step 3: Cross multiply
    230,301.29x = 345,451.94 × 89,961.50
  4. Step 4: Simplify right side
    230,301.29x = 31,077,374,700.31
  5. Step 5: Solve for x
    x = 31,077,374,700.31/230,301.29
  6. Step 6: Final answer
    x = 134,942.25

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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.