Home / 253,237.88-379,869.57-75,746.43

Finding the Fourth Proportional to 253,237.88, 379,869.57 and 75,746.43

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Solution

The fourth proportional to 253,237.88, 379,869.57 and 75,746.43 is: 113,623.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,237.88 : 379,869.57 = 75,746.43 : x
  2. Step 2: Convert to fraction form
    253,237.88/379,869.57 = 75,746.43/x
  3. Step 3: Cross multiply
    253,237.88x = 379,869.57 × 75,746.43
  4. Step 4: Simplify right side
    253,237.88x = 28,773,763,793.14
  5. Step 5: Solve for x
    x = 28,773,763,793.14/253,237.88
  6. Step 6: Final answer
    x = 113,623.46

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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.