Home / 172,075.06-258,276.77-105,644.93

Finding the Fourth Proportional to 172,075.06, 258,276.77 and 105,644.93

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Solution

The fourth proportional to 172,075.06, 258,276.77 and 105,644.93 is: 158,568.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,075.06 : 258,276.77 = 105,644.93 : x
  2. Step 2: Convert to fraction form
    172,075.06/258,276.77 = 105,644.93/x
  3. Step 3: Cross multiply
    172,075.06x = 258,276.77 × 105,644.93
  4. Step 4: Simplify right side
    172,075.06x = 27,285,631,404.74
  5. Step 5: Solve for x
    x = 27,285,631,404.74/172,075.06
  6. Step 6: Final answer
    x = 158,568.20

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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.