Home / 187,075.90-258,171.06-102,198.34

Finding the Fourth Proportional to 187,075.90, 258,171.06 and 102,198.34

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Solution

The fourth proportional to 187,075.90, 258,171.06 and 102,198.34 is: 141,037.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,075.90 : 258,171.06 = 102,198.34 : x
  2. Step 2: Convert to fraction form
    187,075.90/258,171.06 = 102,198.34/x
  3. Step 3: Cross multiply
    187,075.90x = 258,171.06 × 102,198.34
  4. Step 4: Simplify right side
    187,075.90x = 26,384,653,768.04
  5. Step 5: Solve for x
    x = 26,384,653,768.04/187,075.90
  6. Step 6: Final answer
    x = 141,037.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.