Home / 64,144.44-96,199.80-19,155.12

Finding the Fourth Proportional to 64,144.44, 96,199.80 and 19,155.12

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Solution

The fourth proportional to 64,144.44, 96,199.80 and 19,155.12 is: 28,727.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,144.44 : 96,199.80 = 19,155.12 : x
  2. Step 2: Convert to fraction form
    64,144.44/96,199.80 = 19,155.12/x
  3. Step 3: Cross multiply
    64,144.44x = 96,199.80 × 19,155.12
  4. Step 4: Simplify right side
    64,144.44x = 1,842,718,712.98
  5. Step 5: Solve for x
    x = 1,842,718,712.98/64,144.44
  6. Step 6: Final answer
    x = 28,727.65

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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.