Home / 133,237.07-183,859.31-72,795.68

Finding the Fourth Proportional to 133,237.07, 183,859.31 and 72,795.68

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Solution

The fourth proportional to 133,237.07, 183,859.31 and 72,795.68 is: 100,453.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,237.07 : 183,859.31 = 72,795.68 : x
  2. Step 2: Convert to fraction form
    133,237.07/183,859.31 = 72,795.68/x
  3. Step 3: Cross multiply
    133,237.07x = 183,859.31 × 72,795.68
  4. Step 4: Simplify right side
    133,237.07x = 13,384,163,447.95
  5. Step 5: Solve for x
    x = 13,384,163,447.95/133,237.07
  6. Step 6: Final answer
    x = 100,453.75

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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.