Home / 172,734.60-258,904.92-79,043.52

Finding the Fourth Proportional to 172,734.60, 258,904.92 and 79,043.52

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Solution

The fourth proportional to 172,734.60, 258,904.92 and 79,043.52 is: 118,475.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,734.60 : 258,904.92 = 79,043.52 : x
  2. Step 2: Convert to fraction form
    172,734.60/258,904.92 = 79,043.52/x
  3. Step 3: Cross multiply
    172,734.60x = 258,904.92 × 79,043.52
  4. Step 4: Simplify right side
    172,734.60x = 20,464,756,222.12
  5. Step 5: Solve for x
    x = 20,464,756,222.12/172,734.60
  6. Step 6: Final answer
    x = 118,475.14

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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.