Home / 253,112.42-379,524.90-103,177.10

Finding the Fourth Proportional to 253,112.42, 379,524.90 and 103,177.10

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Solution

The fourth proportional to 253,112.42, 379,524.90 and 103,177.10 is: 154,707.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,112.42 : 379,524.90 = 103,177.10 : x
  2. Step 2: Convert to fraction form
    253,112.42/379,524.90 = 103,177.10/x
  3. Step 3: Cross multiply
    253,112.42x = 379,524.90 × 103,177.10
  4. Step 4: Simplify right side
    253,112.42x = 39,158,278,559.79
  5. Step 5: Solve for x
    x = 39,158,278,559.79/253,112.42
  6. Step 6: Final answer
    x = 154,707.06

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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.