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Finding the Fourth Proportional to 172,959.92, 257,720.42 and 154,095

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Solution

The fourth proportional to 172,959.92, 257,720.42 and 154,095 is: 229,610.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,959.92 : 257,720.42 = 154,095 : x
  2. Step 2: Convert to fraction form
    172,959.92/257,720.42 = 154,095/x
  3. Step 3: Cross multiply
    172,959.92x = 257,720.42 × 154,095
  4. Step 4: Simplify right side
    172,959.92x = 39,713,428,119.90
  5. Step 5: Solve for x
    x = 39,713,428,119.90/172,959.92
  6. Step 6: Final answer
    x = 229,610.58

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.