Home / 133,077.90-183,647.97-72,649.89

Finding the Fourth Proportional to 133,077.90, 183,647.97 and 72,649.89

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Solution

The fourth proportional to 133,077.90, 183,647.97 and 72,649.89 is: 100,257.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,077.90 : 183,647.97 = 72,649.89 : x
  2. Step 2: Convert to fraction form
    133,077.90/183,647.97 = 72,649.89/x
  3. Step 3: Cross multiply
    133,077.90x = 183,647.97 × 72,649.89
  4. Step 4: Simplify right side
    133,077.90x = 13,342,004,819.22
  5. Step 5: Solve for x
    x = 13,342,004,819.22/133,077.90
  6. Step 6: Final answer
    x = 100,257.10

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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.