Home / 215,026.89-322,605.96-109,919.67

Finding the Fourth Proportional to 215,026.89, 322,605.96 and 109,919.67

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Solution

The fourth proportional to 215,026.89, 322,605.96 and 109,919.67 is: 164,913.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,026.89 : 322,605.96 = 109,919.67 : x
  2. Step 2: Convert to fraction form
    215,026.89/322,605.96 = 109,919.67/x
  3. Step 3: Cross multiply
    215,026.89x = 322,605.96 × 109,919.67
  4. Step 4: Simplify right side
    215,026.89x = 35,460,740,663.23
  5. Step 5: Solve for x
    x = 35,460,740,663.23/215,026.89
  6. Step 6: Final answer
    x = 164,913.05

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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.