Home / 141,763.37-195,661.78-81,374.83

Finding the Fourth Proportional to 141,763.37, 195,661.78 and 81,374.83

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Solution

The fourth proportional to 141,763.37, 195,661.78 and 81,374.83 is: 112,313.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,763.37 : 195,661.78 = 81,374.83 : x
  2. Step 2: Convert to fraction form
    141,763.37/195,661.78 = 81,374.83/x
  3. Step 3: Cross multiply
    141,763.37x = 195,661.78 × 81,374.83
  4. Step 4: Simplify right side
    141,763.37x = 15,921,943,392.41
  5. Step 5: Solve for x
    x = 15,921,943,392.41/141,763.37
  6. Step 6: Final answer
    x = 112,313.53

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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.