Home / 172,292.67-258,439.07-53,973.20

Finding the Fourth Proportional to 172,292.67, 258,439.07 and 53,973.20

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Solution

The fourth proportional to 172,292.67, 258,439.07 and 53,973.20 is: 80,959.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,292.67 : 258,439.07 = 53,973.20 : x
  2. Step 2: Convert to fraction form
    172,292.67/258,439.07 = 53,973.20/x
  3. Step 3: Cross multiply
    172,292.67x = 258,439.07 × 53,973.20
  4. Step 4: Simplify right side
    172,292.67x = 13,948,784,393.95
  5. Step 5: Solve for x
    x = 13,948,784,393.95/172,292.67
  6. Step 6: Final answer
    x = 80,959.82

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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.