Home / 168,840.88-233,046.48-105,141.04

Finding the Fourth Proportional to 168,840.88, 233,046.48 and 105,141.04

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Solution

The fourth proportional to 168,840.88, 233,046.48 and 105,141.04 is: 145,123.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,840.88 : 233,046.48 = 105,141.04 : x
  2. Step 2: Convert to fraction form
    168,840.88/233,046.48 = 105,141.04/x
  3. Step 3: Cross multiply
    168,840.88x = 233,046.48 × 105,141.04
  4. Step 4: Simplify right side
    168,840.88x = 24,502,749,275.54
  5. Step 5: Solve for x
    x = 24,502,749,275.54/168,840.88
  6. Step 6: Final answer
    x = 145,123.32

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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.