Home / 133,200.98-183,814.20-72,771.92

Finding the Fourth Proportional to 133,200.98, 183,814.20 and 72,771.92

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Solution

The fourth proportional to 133,200.98, 183,814.20 and 72,771.92 is: 100,423.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,200.98 : 183,814.20 = 72,771.92 : x
  2. Step 2: Convert to fraction form
    133,200.98/183,814.20 = 72,771.92/x
  3. Step 3: Cross multiply
    133,200.98x = 183,814.20 × 72,771.92
  4. Step 4: Simplify right side
    133,200.98x = 13,376,512,257.26
  5. Step 5: Solve for x
    x = 13,376,512,257.26/133,200.98
  6. Step 6: Final answer
    x = 100,423.53

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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.