Home / 169,741.85-254,668.05-80,983.86

Finding the Fourth Proportional to 169,741.85, 254,668.05 and 80,983.86

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Solution

The fourth proportional to 169,741.85, 254,668.05 and 80,983.86 is: 121,502.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,741.85 : 254,668.05 = 80,983.86 : x
  2. Step 2: Convert to fraction form
    169,741.85/254,668.05 = 80,983.86/x
  3. Step 3: Cross multiply
    169,741.85x = 254,668.05 × 80,983.86
  4. Step 4: Simplify right side
    169,741.85x = 20,624,001,707.67
  5. Step 5: Solve for x
    x = 20,624,001,707.67/169,741.85
  6. Step 6: Final answer
    x = 121,502.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.