Home / 133,244.07-183,871.37-72,816.75

Finding the Fourth Proportional to 133,244.07, 183,871.37 and 72,816.75

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Solution

The fourth proportional to 133,244.07, 183,871.37 and 72,816.75 is: 100,484.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,244.07 : 183,871.37 = 72,816.75 : x
  2. Step 2: Convert to fraction form
    133,244.07/183,871.37 = 72,816.75/x
  3. Step 3: Cross multiply
    133,244.07x = 183,871.37 × 72,816.75
  4. Step 4: Simplify right side
    133,244.07x = 13,388,915,217.36
  5. Step 5: Solve for x
    x = 13,388,915,217.36/133,244.07
  6. Step 6: Final answer
    x = 100,484.14

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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.