Home / 187,522.30-258,817.66-142,121.09

Finding the Fourth Proportional to 187,522.30, 258,817.66 and 142,121.09

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Solution

The fourth proportional to 187,522.30, 258,817.66 and 142,121.09 is: 196,155.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,522.30 : 258,817.66 = 142,121.09 : x
  2. Step 2: Convert to fraction form
    187,522.30/258,817.66 = 142,121.09/x
  3. Step 3: Cross multiply
    187,522.30x = 258,817.66 × 142,121.09
  4. Step 4: Simplify right side
    187,522.30x = 36,783,449,041.62
  5. Step 5: Solve for x
    x = 36,783,449,041.62/187,522.30
  6. Step 6: Final answer
    x = 196,155.06

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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.