Home / 133,270.86-183,917.58-72,844.02

Finding the Fourth Proportional to 133,270.86, 183,917.58 and 72,844.02

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Solution

The fourth proportional to 133,270.86, 183,917.58 and 72,844.02 is: 100,526.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,270.86 : 183,917.58 = 72,844.02 : x
  2. Step 2: Convert to fraction form
    133,270.86/183,917.58 = 72,844.02/x
  3. Step 3: Cross multiply
    133,270.86x = 183,917.58 × 72,844.02
  4. Step 4: Simplify right side
    133,270.86x = 13,397,295,875.87
  5. Step 5: Solve for x
    x = 13,397,295,875.87/133,270.86
  6. Step 6: Final answer
    x = 100,526.82

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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.