Home / 181,917.34-272,905.17-76,751.80

Finding the Fourth Proportional to 181,917.34, 272,905.17 and 76,751.80

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Solution

The fourth proportional to 181,917.34, 272,905.17 and 76,751.80 is: 115,140.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,917.34 : 272,905.17 = 76,751.80 : x
  2. Step 2: Convert to fraction form
    181,917.34/272,905.17 = 76,751.80/x
  3. Step 3: Cross multiply
    181,917.34x = 272,905.17 × 76,751.80
  4. Step 4: Simplify right side
    181,917.34x = 20,945,963,026.81
  5. Step 5: Solve for x
    x = 20,945,963,026.81/181,917.34
  6. Step 6: Final answer
    x = 115,140.00

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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.