Home / 64,109.30-96,174.40-19,736.06

Finding the Fourth Proportional to 64,109.30, 96,174.40 and 19,736.06

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Solution

The fourth proportional to 64,109.30, 96,174.40 and 19,736.06 is: 29,607.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,109.30 : 96,174.40 = 19,736.06 : x
  2. Step 2: Convert to fraction form
    64,109.30/96,174.40 = 19,736.06/x
  3. Step 3: Cross multiply
    64,109.30x = 96,174.40 × 19,736.06
  4. Step 4: Simplify right side
    64,109.30x = 1,898,103,728.86
  5. Step 5: Solve for x
    x = 1,898,103,728.86/64,109.30
  6. Step 6: Final answer
    x = 29,607.31

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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.