Home / 172,288.14-258,432.06-53,968.71

Finding the Fourth Proportional to 172,288.14, 258,432.06 and 53,968.71

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Solution

The fourth proportional to 172,288.14, 258,432.06 and 53,968.71 is: 80,953.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,288.14 : 258,432.06 = 53,968.71 : x
  2. Step 2: Convert to fraction form
    172,288.14/258,432.06 = 53,968.71/x
  3. Step 3: Cross multiply
    172,288.14x = 258,432.06 × 53,968.71
  4. Step 4: Simplify right side
    172,288.14x = 13,947,244,900.84
  5. Step 5: Solve for x
    x = 13,947,244,900.84/172,288.14
  6. Step 6: Final answer
    x = 80,953.02

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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.