Home / 133,244.08-183,879.24-72,817.27

Finding the Fourth Proportional to 133,244.08, 183,879.24 and 72,817.27

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Solution

The fourth proportional to 133,244.08, 183,879.24 and 72,817.27 is: 100,489.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,244.08 : 183,879.24 = 72,817.27 : x
  2. Step 2: Convert to fraction form
    133,244.08/183,879.24 = 72,817.27/x
  3. Step 3: Cross multiply
    133,244.08x = 183,879.24 × 72,817.27
  4. Step 4: Simplify right side
    133,244.08x = 13,389,584,266.47
  5. Step 5: Solve for x
    x = 13,389,584,266.47/133,244.08
  6. Step 6: Final answer
    x = 100,489.15

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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.