Home / 187,145.03-258,260.83-102,262.10

Finding the Fourth Proportional to 187,145.03, 258,260.83 and 102,262.10

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Solution

The fourth proportional to 187,145.03, 258,260.83 and 102,262.10 is: 141,122.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,145.03 : 258,260.83 = 102,262.10 : x
  2. Step 2: Convert to fraction form
    187,145.03/258,260.83 = 102,262.10/x
  3. Step 3: Cross multiply
    187,145.03x = 258,260.83 × 102,262.10
  4. Step 4: Simplify right side
    187,145.03x = 26,410,293,276.58
  5. Step 5: Solve for x
    x = 26,410,293,276.58/187,145.03
  6. Step 6: Final answer
    x = 141,122.06

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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.