Home / 133,119.95-183,713.00-72,696.21

Finding the Fourth Proportional to 133,119.95, 183,713.00 and 72,696.21

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Solution

The fourth proportional to 133,119.95, 183,713.00 and 72,696.21 is: 100,324.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,119.95 : 183,713.00 = 72,696.21 : x
  2. Step 2: Convert to fraction form
    133,119.95/183,713.00 = 72,696.21/x
  3. Step 3: Cross multiply
    133,119.95x = 183,713.00 × 72,696.21
  4. Step 4: Simplify right side
    133,119.95x = 13,355,238,464.25
  5. Step 5: Solve for x
    x = 13,355,238,464.25/133,119.95
  6. Step 6: Final answer
    x = 100,324.85

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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.