Home / 141,320.48-195,030.99-80,889.75

Finding the Fourth Proportional to 141,320.48, 195,030.99 and 80,889.75

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Solution

The fourth proportional to 141,320.48, 195,030.99 and 80,889.75 is: 111,632.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,320.48 : 195,030.99 = 80,889.75 : x
  2. Step 2: Convert to fraction form
    141,320.48/195,030.99 = 80,889.75/x
  3. Step 3: Cross multiply
    141,320.48x = 195,030.99 × 80,889.75
  4. Step 4: Simplify right side
    141,320.48x = 15,776,008,023.35
  5. Step 5: Solve for x
    x = 15,776,008,023.35/141,320.48
  6. Step 6: Final answer
    x = 111,632.85

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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.