Home / 253,151.19-379,677.51-75,708.95

Finding the Fourth Proportional to 253,151.19, 379,677.51 and 75,708.95

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Solution

The fourth proportional to 253,151.19, 379,677.51 and 75,708.95 is: 113,548.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,151.19 : 379,677.51 = 75,708.95 : x
  2. Step 2: Convert to fraction form
    253,151.19/379,677.51 = 75,708.95/x
  3. Step 3: Cross multiply
    253,151.19x = 379,677.51 × 75,708.95
  4. Step 4: Simplify right side
    253,151.19x = 28,744,983,722.33
  5. Step 5: Solve for x
    x = 28,744,983,722.33/253,151.19
  6. Step 6: Final answer
    x = 113,548.68

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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.