Home / 141,327.81-195,023.21-80,898.93

Finding the Fourth Proportional to 141,327.81, 195,023.21 and 80,898.93

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Solution

The fourth proportional to 141,327.81, 195,023.21 and 80,898.93 is: 111,635.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,327.81 : 195,023.21 = 80,898.93 : x
  2. Step 2: Convert to fraction form
    141,327.81/195,023.21 = 80,898.93/x
  3. Step 3: Cross multiply
    141,327.81x = 195,023.21 × 80,898.93
  4. Step 4: Simplify right side
    141,327.81x = 15,777,168,609.67
  5. Step 5: Solve for x
    x = 15,777,168,609.67/141,327.81
  6. Step 6: Final answer
    x = 111,635.27

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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.