Home / 141,428.07-195,170.73-84,857.67

Finding the Fourth Proportional to 141,428.07, 195,170.73 and 84,857.67

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Solution

The fourth proportional to 141,428.07, 195,170.73 and 84,857.67 is: 117,103.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,428.07 : 195,170.73 = 84,857.67 : x
  2. Step 2: Convert to fraction form
    141,428.07/195,170.73 = 84,857.67/x
  3. Step 3: Cross multiply
    141,428.07x = 195,170.73 × 84,857.67
  4. Step 4: Simplify right side
    141,428.07x = 16,561,733,400.00
  5. Step 5: Solve for x
    x = 16,561,733,400.00/141,428.07
  6. Step 6: Final answer
    x = 117,103.58

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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.