Home / 181,945.20-272,917.80-135,289.20

Finding the Fourth Proportional to 181,945.20, 272,917.80 and 135,289.20

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Solution

The fourth proportional to 181,945.20, 272,917.80 and 135,289.20 is: 202,933.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,945.20 : 272,917.80 = 135,289.20 : x
  2. Step 2: Convert to fraction form
    181,945.20/272,917.80 = 135,289.20/x
  3. Step 3: Cross multiply
    181,945.20x = 272,917.80 × 135,289.20
  4. Step 4: Simplify right side
    181,945.20x = 36,922,830,827.76
  5. Step 5: Solve for x
    x = 36,922,830,827.76/181,945.20
  6. Step 6: Final answer
    x = 202,933.80

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1.5x scale

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.