Home / 172,141.26-256,481.73-162,472.35

Finding the Fourth Proportional to 172,141.26, 256,481.73 and 162,472.35

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Solution

The fourth proportional to 172,141.26, 256,481.73 and 162,472.35 is: 242,075.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,141.26 : 256,481.73 = 162,472.35 : x
  2. Step 2: Convert to fraction form
    172,141.26/256,481.73 = 162,472.35/x
  3. Step 3: Cross multiply
    172,141.26x = 256,481.73 × 162,472.35
  4. Step 4: Simplify right side
    172,141.26x = 41,671,189,405.17
  5. Step 5: Solve for x
    x = 41,671,189,405.17/172,141.26
  6. Step 6: Final answer
    x = 242,075.55

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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.