Home / 141,320.36-195,035.66-80,878.92

Finding the Fourth Proportional to 141,320.36, 195,035.66 and 80,878.92

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Solution

The fourth proportional to 141,320.36, 195,035.66 and 80,878.92 is: 111,620.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,320.36 : 195,035.66 = 80,878.92 : x
  2. Step 2: Convert to fraction form
    141,320.36/195,035.66 = 80,878.92/x
  3. Step 3: Cross multiply
    141,320.36x = 195,035.66 × 80,878.92
  4. Step 4: Simplify right side
    141,320.36x = 15,774,273,542.29
  5. Step 5: Solve for x
    x = 15,774,273,542.29/141,320.36
  6. Step 6: Final answer
    x = 111,620.67

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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.