Home / 202,623.30-303,749.10-77,870.34

Finding the Fourth Proportional to 202,623.30, 303,749.10 and 77,870.34

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Solution

The fourth proportional to 202,623.30, 303,749.10 and 77,870.34 is: 116,734.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,623.30 : 303,749.10 = 77,870.34 : x
  2. Step 2: Convert to fraction form
    202,623.30/303,749.10 = 77,870.34/x
  3. Step 3: Cross multiply
    202,623.30x = 303,749.10 × 77,870.34
  4. Step 4: Simplify right side
    202,623.30x = 23,653,045,691.69
  5. Step 5: Solve for x
    x = 23,653,045,691.69/202,623.30
  6. Step 6: Final answer
    x = 116,734.09

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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.