Home / 204,980.30-307,478.68-64,738.96

Finding the Fourth Proportional to 204,980.30, 307,478.68 and 64,738.96

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Solution

The fourth proportional to 204,980.30, 307,478.68 and 64,738.96 is: 97,111.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,980.30 : 307,478.68 = 64,738.96 : x
  2. Step 2: Convert to fraction form
    204,980.30/307,478.68 = 64,738.96/x
  3. Step 3: Cross multiply
    204,980.30x = 307,478.68 × 64,738.96
  4. Step 4: Simplify right side
    204,980.30x = 19,905,849,965.37
  5. Step 5: Solve for x
    x = 19,905,849,965.37/204,980.30
  6. Step 6: Final answer
    x = 97,111.04

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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.