Home / 187,209.05-258,348.62-102,326.12

Finding the Fourth Proportional to 187,209.05, 258,348.62 and 102,326.12

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Solution

The fourth proportional to 187,209.05, 258,348.62 and 102,326.12 is: 141,210.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,209.05 : 258,348.62 = 102,326.12 : x
  2. Step 2: Convert to fraction form
    187,209.05/258,348.62 = 102,326.12/x
  3. Step 3: Cross multiply
    187,209.05x = 258,348.62 × 102,326.12
  4. Step 4: Simplify right side
    187,209.05x = 26,435,810,856.03
  5. Step 5: Solve for x
    x = 26,435,810,856.03/187,209.05
  6. Step 6: Final answer
    x = 141,210.11

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