Home / 171,983.64-258,075.09-72,134.94

Finding the Fourth Proportional to 171,983.64, 258,075.09 and 72,134.94

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Solution

The fourth proportional to 171,983.64, 258,075.09 and 72,134.94 is: 108,244.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,983.64 : 258,075.09 = 72,134.94 : x
  2. Step 2: Convert to fraction form
    171,983.64/258,075.09 = 72,134.94/x
  3. Step 3: Cross multiply
    171,983.64x = 258,075.09 × 72,134.94
  4. Step 4: Simplify right side
    171,983.64x = 18,616,231,132.64
  5. Step 5: Solve for x
    x = 18,616,231,132.64/171,983.64
  6. Step 6: Final answer
    x = 108,244.20

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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.