Home / 104,201.78-156,302.64-25,315.46

Finding the Fourth Proportional to 104,201.78, 156,302.64 and 25,315.46

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Solution

The fourth proportional to 104,201.78, 156,302.64 and 25,315.46 is: 37,973.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,201.78 : 156,302.64 = 25,315.46 : x
  2. Step 2: Convert to fraction form
    104,201.78/156,302.64 = 25,315.46/x
  3. Step 3: Cross multiply
    104,201.78x = 156,302.64 × 25,315.46
  4. Step 4: Simplify right side
    104,201.78x = 3,956,873,230.81
  5. Step 5: Solve for x
    x = 3,956,873,230.81/104,201.78
  6. Step 6: Final answer
    x = 37,973.18

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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.