Home / 186,051.90-278,756.82-101,872.62

Finding the Fourth Proportional to 186,051.90, 278,756.82 and 101,872.62

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Solution

The fourth proportional to 186,051.90, 278,756.82 and 101,872.62 is: 152,633.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,051.90 : 278,756.82 = 101,872.62 : x
  2. Step 2: Convert to fraction form
    186,051.90/278,756.82 = 101,872.62/x
  3. Step 3: Cross multiply
    186,051.90x = 278,756.82 × 101,872.62
  4. Step 4: Simplify right side
    186,051.90x = 28,397,687,596.27
  5. Step 5: Solve for x
    x = 28,397,687,596.27/186,051.90
  6. Step 6: Final answer
    x = 152,633.15

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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.