Home / 133,029.15-183,573.48-72,599.31

Finding the Fourth Proportional to 133,029.15, 183,573.48 and 72,599.31

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Solution

The fourth proportional to 133,029.15, 183,573.48 and 72,599.31 is: 100,183.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,029.15 : 183,573.48 = 72,599.31 : x
  2. Step 2: Convert to fraction form
    133,029.15/183,573.48 = 72,599.31/x
  3. Step 3: Cross multiply
    133,029.15x = 183,573.48 × 72,599.31
  4. Step 4: Simplify right side
    133,029.15x = 13,327,307,982.30
  5. Step 5: Solve for x
    x = 13,327,307,982.30/133,029.15
  6. Step 6: Final answer
    x = 100,183.37

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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.