Home / 201,120.19-301,680.24-51,355.18

Finding the Fourth Proportional to 201,120.19, 301,680.24 and 51,355.18

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Solution

The fourth proportional to 201,120.19, 301,680.24 and 51,355.18 is: 77,032.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,120.19 : 301,680.24 = 51,355.18 : x
  2. Step 2: Convert to fraction form
    201,120.19/301,680.24 = 51,355.18/x
  3. Step 3: Cross multiply
    201,120.19x = 301,680.24 × 51,355.18
  4. Step 4: Simplify right side
    201,120.19x = 15,492,843,027.64
  5. Step 5: Solve for x
    x = 15,492,843,027.64/201,120.19
  6. Step 6: Final answer
    x = 77,032.76

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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.