Home / 171,908.23-257,864.12-51,966.17

Finding the Fourth Proportional to 171,908.23, 257,864.12 and 51,966.17

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Solution

The fourth proportional to 171,908.23, 257,864.12 and 51,966.17 is: 77,949.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,908.23 : 257,864.12 = 51,966.17 : x
  2. Step 2: Convert to fraction form
    171,908.23/257,864.12 = 51,966.17/x
  3. Step 3: Cross multiply
    171,908.23x = 257,864.12 × 51,966.17
  4. Step 4: Simplify right side
    171,908.23x = 13,400,209,147.67
  5. Step 5: Solve for x
    x = 13,400,209,147.67/171,908.23
  6. Step 6: Final answer
    x = 77,949.78

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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.