Home / 133,006.28-183,553.08-72,580.23

Finding the Fourth Proportional to 133,006.28, 183,553.08 and 72,580.23

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Solution

The fourth proportional to 133,006.28, 183,553.08 and 72,580.23 is: 100,163.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,006.28 : 183,553.08 = 72,580.23 : x
  2. Step 2: Convert to fraction form
    133,006.28/183,553.08 = 72,580.23/x
  3. Step 3: Cross multiply
    133,006.28x = 183,553.08 × 72,580.23
  4. Step 4: Simplify right side
    133,006.28x = 13,322,324,763.61
  5. Step 5: Solve for x
    x = 13,322,324,763.61/133,006.28
  6. Step 6: Final answer
    x = 100,163.13

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1.5x scale

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.