Home / 163,728.18-225,975.99-102,502.86

Finding the Fourth Proportional to 163,728.18, 225,975.99 and 102,502.86

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Solution

The fourth proportional to 163,728.18, 225,975.99 and 102,502.86 is: 141,473.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,728.18 : 225,975.99 = 102,502.86 : x
  2. Step 2: Convert to fraction form
    163,728.18/225,975.99 = 102,502.86/x
  3. Step 3: Cross multiply
    163,728.18x = 225,975.99 × 102,502.86
  4. Step 4: Simplify right side
    163,728.18x = 23,163,185,266.33
  5. Step 5: Solve for x
    x = 23,163,185,266.33/163,728.18
  6. Step 6: Final answer
    x = 141,473.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.