Home / 161,725.96-242,580.30-43,395.40

Finding the Fourth Proportional to 161,725.96, 242,580.30 and 43,395.40

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Solution

The fourth proportional to 161,725.96, 242,580.30 and 43,395.40 is: 65,090.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,725.96 : 242,580.30 = 43,395.40 : x
  2. Step 2: Convert to fraction form
    161,725.96/242,580.30 = 43,395.40/x
  3. Step 3: Cross multiply
    161,725.96x = 242,580.30 × 43,395.40
  4. Step 4: Simplify right side
    161,725.96x = 10,526,869,150.62
  5. Step 5: Solve for x
    x = 10,526,869,150.62/161,725.96
  6. Step 6: Final answer
    x = 65,090.78

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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.