Home / 103,132.62-154,699.07-28,253.42

Finding the Fourth Proportional to 103,132.62, 154,699.07 and 28,253.42

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Solution

The fourth proportional to 103,132.62, 154,699.07 and 28,253.42 is: 42,380.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,132.62 : 154,699.07 = 28,253.42 : x
  2. Step 2: Convert to fraction form
    103,132.62/154,699.07 = 28,253.42/x
  3. Step 3: Cross multiply
    103,132.62x = 154,699.07 × 28,253.42
  4. Step 4: Simplify right side
    103,132.62x = 4,370,776,883.56
  5. Step 5: Solve for x
    x = 4,370,776,883.56/103,132.62
  6. Step 6: Final answer
    x = 42,380.16

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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.