Home / 64,121.10-96,187.13-16,742.48

Finding the Fourth Proportional to 64,121.10, 96,187.13 and 16,742.48

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Solution

The fourth proportional to 64,121.10, 96,187.13 and 16,742.48 is: 25,115.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,121.10 : 96,187.13 = 16,742.48 : x
  2. Step 2: Convert to fraction form
    64,121.10/96,187.13 = 16,742.48/x
  3. Step 3: Cross multiply
    64,121.10x = 96,187.13 × 16,742.48
  4. Step 4: Simplify right side
    64,121.10x = 1,610,410,535.63
  5. Step 5: Solve for x
    x = 1,610,410,535.63/64,121.10
  6. Step 6: Final answer
    x = 25,115.14

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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.