Home / 133,029.12-183,577.44-72,600.96

Finding the Fourth Proportional to 133,029.12, 183,577.44 and 72,600.96

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Solution

The fourth proportional to 133,029.12, 183,577.44 and 72,600.96 is: 100,187.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,029.12 : 183,577.44 = 72,600.96 : x
  2. Step 2: Convert to fraction form
    133,029.12/183,577.44 = 72,600.96/x
  3. Step 3: Cross multiply
    133,029.12x = 183,577.44 × 72,600.96
  4. Step 4: Simplify right side
    133,029.12x = 13,327,898,378.34
  5. Step 5: Solve for x
    x = 13,327,898,378.34/133,029.12
  6. Step 6: Final answer
    x = 100,187.83

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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.