Home / 161,480.54-242,139.40-49,139.21

Finding the Fourth Proportional to 161,480.54, 242,139.40 and 49,139.21

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Solution

The fourth proportional to 161,480.54, 242,139.40 and 49,139.21 is: 73,684.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,480.54 : 242,139.40 = 49,139.21 : x
  2. Step 2: Convert to fraction form
    161,480.54/242,139.40 = 49,139.21/x
  3. Step 3: Cross multiply
    161,480.54x = 242,139.40 × 49,139.21
  4. Step 4: Simplify right side
    161,480.54x = 11,898,538,825.87
  5. Step 5: Solve for x
    x = 11,898,538,825.87/161,480.54
  6. Step 6: Final answer
    x = 73,684.04

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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.