Home / 141,222.54-195,013.62-105,350.22

Finding the Fourth Proportional to 141,222.54, 195,013.62 and 105,350.22

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Solution

The fourth proportional to 141,222.54, 195,013.62 and 105,350.22 is: 145,477.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,222.54 : 195,013.62 = 105,350.22 : x
  2. Step 2: Convert to fraction form
    141,222.54/195,013.62 = 105,350.22/x
  3. Step 3: Cross multiply
    141,222.54x = 195,013.62 × 105,350.22
  4. Step 4: Simplify right side
    141,222.54x = 20,544,727,770.00
  5. Step 5: Solve for x
    x = 20,544,727,770.00/141,222.54
  6. Step 6: Final answer
    x = 145,477.68

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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.