Home / 187,282.10-258,449.29-102,399.17

Finding the Fourth Proportional to 187,282.10, 258,449.29 and 102,399.17

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Solution

The fourth proportional to 187,282.10, 258,449.29 and 102,399.17 is: 141,310.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,282.10 : 258,449.29 = 102,399.17 : x
  2. Step 2: Convert to fraction form
    187,282.10/258,449.29 = 102,399.17/x
  3. Step 3: Cross multiply
    187,282.10x = 258,449.29 × 102,399.17
  4. Step 4: Simplify right side
    187,282.10x = 26,464,991,234.84
  5. Step 5: Solve for x
    x = 26,464,991,234.84/187,282.10
  6. Step 6: Final answer
    x = 141,310.84

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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.