Home / 186,727.68-279,829.08-81,325.62

Finding the Fourth Proportional to 186,727.68, 279,829.08 and 81,325.62

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Solution

The fourth proportional to 186,727.68, 279,829.08 and 81,325.62 is: 121,874.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,727.68 : 279,829.08 = 81,325.62 : x
  2. Step 2: Convert to fraction form
    186,727.68/279,829.08 = 81,325.62/x
  3. Step 3: Cross multiply
    186,727.68x = 279,829.08 × 81,325.62
  4. Step 4: Simplify right side
    186,727.68x = 22,757,273,425.03
  5. Step 5: Solve for x
    x = 22,757,273,425.03/186,727.68
  6. Step 6: Final answer
    x = 121,874.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.