Home / 235,118.37-324,463.27-127,688.43

Finding the Fourth Proportional to 235,118.37, 324,463.27 and 127,688.43

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Solution

The fourth proportional to 235,118.37, 324,463.27 and 127,688.43 is: 176,209.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,118.37 : 324,463.27 = 127,688.43 : x
  2. Step 2: Convert to fraction form
    235,118.37/324,463.27 = 127,688.43/x
  3. Step 3: Cross multiply
    235,118.37x = 324,463.27 × 127,688.43
  4. Step 4: Simplify right side
    235,118.37x = 41,430,205,538.97
  5. Step 5: Solve for x
    x = 41,430,205,538.97/235,118.37
  6. Step 6: Final answer
    x = 176,209.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.