Home / 172,261.27-258,429.16-52,308.37

Finding the Fourth Proportional to 172,261.27, 258,429.16 and 52,308.37

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Solution

The fourth proportional to 172,261.27, 258,429.16 and 52,308.37 is: 78,473.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,261.27 : 258,429.16 = 52,308.37 : x
  2. Step 2: Convert to fraction form
    172,261.27/258,429.16 = 52,308.37/x
  3. Step 3: Cross multiply
    172,261.27x = 258,429.16 × 52,308.37
  4. Step 4: Simplify right side
    172,261.27x = 13,518,006,827.92
  5. Step 5: Solve for x
    x = 13,518,006,827.92/172,261.27
  6. Step 6: Final answer
    x = 78,473.86

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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.