Home / 161,570.36-242,404.94-82,740.36

Finding the Fourth Proportional to 161,570.36, 242,404.94 and 82,740.36

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Solution

The fourth proportional to 161,570.36, 242,404.94 and 82,740.36 is: 124,135.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,570.36 : 242,404.94 = 82,740.36 : x
  2. Step 2: Convert to fraction form
    161,570.36/242,404.94 = 82,740.36/x
  3. Step 3: Cross multiply
    161,570.36x = 242,404.94 × 82,740.36
  4. Step 4: Simplify right side
    161,570.36x = 20,056,672,001.38
  5. Step 5: Solve for x
    x = 20,056,672,001.38/161,570.36
  6. Step 6: Final answer
    x = 124,135.84

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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.