Home / 133,013.61-183,553.07-72,582.75

Finding the Fourth Proportional to 133,013.61, 183,553.07 and 72,582.75

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Solution

The fourth proportional to 133,013.61, 183,553.07 and 72,582.75 is: 100,161.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,013.61 : 183,553.07 = 72,582.75 : x
  2. Step 2: Convert to fraction form
    133,013.61/183,553.07 = 72,582.75/x
  3. Step 3: Cross multiply
    133,013.61x = 183,553.07 × 72,582.75
  4. Step 4: Simplify right side
    133,013.61x = 13,322,786,591.54
  5. Step 5: Solve for x
    x = 13,322,786,591.54/133,013.61
  6. Step 6: Final answer
    x = 100,161.08

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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.