Home / 133,112.31-183,694.06-72,682.92

Finding the Fourth Proportional to 133,112.31, 183,694.06 and 72,682.92

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Solution

The fourth proportional to 133,112.31, 183,694.06 and 72,682.92 is: 100,301.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,112.31 : 183,694.06 = 72,682.92 : x
  2. Step 2: Convert to fraction form
    133,112.31/183,694.06 = 72,682.92/x
  3. Step 3: Cross multiply
    133,112.31x = 183,694.06 × 72,682.92
  4. Step 4: Simplify right side
    133,112.31x = 13,351,420,667.46
  5. Step 5: Solve for x
    x = 13,351,420,667.46/133,112.31
  6. Step 6: Final answer
    x = 100,301.92

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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.