Home / 141,400.25-195,133.61-76,869.62

Finding the Fourth Proportional to 141,400.25, 195,133.61 and 76,869.62

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Solution

The fourth proportional to 141,400.25, 195,133.61 and 76,869.62 is: 106,080.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,400.25 : 195,133.61 = 76,869.62 : x
  2. Step 2: Convert to fraction form
    141,400.25/195,133.61 = 76,869.62/x
  3. Step 3: Cross multiply
    141,400.25x = 195,133.61 × 76,869.62
  4. Step 4: Simplify right side
    141,400.25x = 14,999,846,449.93
  5. Step 5: Solve for x
    x = 14,999,846,449.93/141,400.25
  6. Step 6: Final answer
    x = 106,080.76

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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.