Home / 103,524.39-155,323.02-50,970.78

Finding the Fourth Proportional to 103,524.39, 155,323.02 and 50,970.78

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Solution

The fourth proportional to 103,524.39, 155,323.02 and 50,970.78 is: 76,474.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,524.39 : 155,323.02 = 50,970.78 : x
  2. Step 2: Convert to fraction form
    103,524.39/155,323.02 = 50,970.78/x
  3. Step 3: Cross multiply
    103,524.39x = 155,323.02 × 50,970.78
  4. Step 4: Simplify right side
    103,524.39x = 7,916,935,481.36
  5. Step 5: Solve for x
    x = 7,916,935,481.36/103,524.39
  6. Step 6: Final answer
    x = 76,474.11

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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.