Home / 225,810.96-311,623.40-123,829.95

Finding the Fourth Proportional to 225,810.96, 311,623.40 and 123,829.95

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Solution

The fourth proportional to 225,810.96, 311,623.40 and 123,829.95 is: 170,887.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,810.96 : 311,623.40 = 123,829.95 : x
  2. Step 2: Convert to fraction form
    225,810.96/311,623.40 = 123,829.95/x
  3. Step 3: Cross multiply
    225,810.96x = 311,623.40 × 123,829.95
  4. Step 4: Simplify right side
    225,810.96x = 38,588,310,350.40
  5. Step 5: Solve for x
    x = 38,588,310,350.40/225,810.96
  6. Step 6: Final answer
    x = 170,887.68

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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.