Home / 161,775.40-242,663.10-136,114.60

Finding the Fourth Proportional to 161,775.40, 242,663.10 and 136,114.60

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Solution

The fourth proportional to 161,775.40, 242,663.10 and 136,114.60 is: 204,171.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,775.40 : 242,663.10 = 136,114.60 : x
  2. Step 2: Convert to fraction form
    161,775.40/242,663.10 = 136,114.60/x
  3. Step 3: Cross multiply
    161,775.40x = 242,663.10 × 136,114.60
  4. Step 4: Simplify right side
    161,775.40x = 33,029,990,791.26
  5. Step 5: Solve for x
    x = 33,029,990,791.26/161,775.40
  6. Step 6: Final answer
    x = 204,171.90

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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.