Home / 172,579.96-258,931.88-67,474.36

Finding the Fourth Proportional to 172,579.96, 258,931.88 and 67,474.36

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Solution

The fourth proportional to 172,579.96, 258,931.88 and 67,474.36 is: 101,235.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,579.96 : 258,931.88 = 67,474.36 : x
  2. Step 2: Convert to fraction form
    172,579.96/258,931.88 = 67,474.36/x
  3. Step 3: Cross multiply
    172,579.96x = 258,931.88 × 67,474.36
  4. Step 4: Simplify right side
    172,579.96x = 17,471,262,886.60
  5. Step 5: Solve for x
    x = 17,471,262,886.60/172,579.96
  6. Step 6: Final answer
    x = 101,235.76

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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.