Home / 171,710.07-257,548.68-105,115.92

Finding the Fourth Proportional to 171,710.07, 257,548.68 and 105,115.92

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Solution

The fourth proportional to 171,710.07, 257,548.68 and 105,115.92 is: 157,663.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,710.07 : 257,548.68 = 105,115.92 : x
  2. Step 2: Convert to fraction form
    171,710.07/257,548.68 = 105,115.92/x
  3. Step 3: Cross multiply
    171,710.07x = 257,548.68 × 105,115.92
  4. Step 4: Simplify right side
    171,710.07x = 27,072,466,442.99
  5. Step 5: Solve for x
    x = 27,072,466,442.99/171,710.07
  6. Step 6: Final answer
    x = 157,663.83

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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.