Home / 64,142.18-96,208.71-19,764.32

Finding the Fourth Proportional to 64,142.18, 96,208.71 and 19,764.32

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Solution

The fourth proportional to 64,142.18, 96,208.71 and 19,764.32 is: 29,645.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,142.18 : 96,208.71 = 19,764.32 : x
  2. Step 2: Convert to fraction form
    64,142.18/96,208.71 = 19,764.32/x
  3. Step 3: Cross multiply
    64,142.18x = 96,208.71 × 19,764.32
  4. Step 4: Simplify right side
    64,142.18x = 1,901,499,731.23
  5. Step 5: Solve for x
    x = 1,901,499,731.23/64,142.18
  6. Step 6: Final answer
    x = 29,645.07

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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.