Home / 172,325.76-258,507.16-72,496.10

Finding the Fourth Proportional to 172,325.76, 258,507.16 and 72,496.10

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Solution

The fourth proportional to 172,325.76, 258,507.16 and 72,496.10 is: 108,751.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,325.76 : 258,507.16 = 72,496.10 : x
  2. Step 2: Convert to fraction form
    172,325.76/258,507.16 = 72,496.10/x
  3. Step 3: Cross multiply
    172,325.76x = 258,507.16 × 72,496.10
  4. Step 4: Simplify right side
    172,325.76x = 18,740,760,922.08
  5. Step 5: Solve for x
    x = 18,740,760,922.08/172,325.76
  6. Step 6: Final answer
    x = 108,751.94

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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.