Home / 186,000.08-278,997.72-45,759.92

Finding the Fourth Proportional to 186,000.08, 278,997.72 and 45,759.92

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Solution

The fourth proportional to 186,000.08, 278,997.72 and 45,759.92 is: 68,639.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,000.08 : 278,997.72 = 45,759.92 : x
  2. Step 2: Convert to fraction form
    186,000.08/278,997.72 = 45,759.92/x
  3. Step 3: Cross multiply
    186,000.08x = 278,997.72 × 45,759.92
  4. Step 4: Simplify right side
    186,000.08x = 12,766,913,347.38
  5. Step 5: Solve for x
    x = 12,766,913,347.38/186,000.08
  6. Step 6: Final answer
    x = 68,639.29

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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.