Home / 172,292.12-258,438.60-53,973.80

Finding the Fourth Proportional to 172,292.12, 258,438.60 and 53,973.80

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Solution

The fourth proportional to 172,292.12, 258,438.60 and 53,973.80 is: 80,960.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,292.12 : 258,438.60 = 53,973.80 : x
  2. Step 2: Convert to fraction form
    172,292.12/258,438.60 = 53,973.80/x
  3. Step 3: Cross multiply
    172,292.12x = 258,438.60 × 53,973.80
  4. Step 4: Simplify right side
    172,292.12x = 13,948,913,308.68
  5. Step 5: Solve for x
    x = 13,948,913,308.68/172,292.12
  6. Step 6: Final answer
    x = 80,960.83

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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.