Home / 133,166.30-183,769.29-72,736.95

Finding the Fourth Proportional to 133,166.30, 183,769.29 and 72,736.95

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Solution

The fourth proportional to 133,166.30, 183,769.29 and 72,736.95 is: 100,376.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,166.30 : 183,769.29 = 72,736.95 : x
  2. Step 2: Convert to fraction form
    133,166.30/183,769.29 = 72,736.95/x
  3. Step 3: Cross multiply
    133,166.30x = 183,769.29 × 72,736.95
  4. Step 4: Simplify right side
    133,166.30x = 13,366,817,471.61
  5. Step 5: Solve for x
    x = 13,366,817,471.61/133,166.30
  6. Step 6: Final answer
    x = 100,376.88

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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.