Home / 181,617.80-272,423.66-81,707.27

Finding the Fourth Proportional to 181,617.80, 272,423.66 and 81,707.27

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Solution

The fourth proportional to 181,617.80, 272,423.66 and 81,707.27 is: 122,559.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,617.80 : 272,423.66 = 81,707.27 : x
  2. Step 2: Convert to fraction form
    181,617.80/272,423.66 = 81,707.27/x
  3. Step 3: Cross multiply
    181,617.80x = 272,423.66 × 81,707.27
  4. Step 4: Simplify right side
    181,617.80x = 22,258,991,771.35
  5. Step 5: Solve for x
    x = 22,258,991,771.35/181,617.80
  6. Step 6: Final answer
    x = 122,559.53

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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.