Home / 135,008.92-186,313.62-74,581

Finding the Fourth Proportional to 135,008.92, 186,313.62 and 74,581

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Solution

The fourth proportional to 135,008.92, 186,313.62 and 74,581 is: 102,922.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,008.92 : 186,313.62 = 74,581 : x
  2. Step 2: Convert to fraction form
    135,008.92/186,313.62 = 74,581/x
  3. Step 3: Cross multiply
    135,008.92x = 186,313.62 × 74,581
  4. Step 4: Simplify right side
    135,008.92x = 13,895,456,093.22
  5. Step 5: Solve for x
    x = 13,895,456,093.22/135,008.92
  6. Step 6: Final answer
    x = 102,922.50

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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.