Home / 161,945.10-242,917.65-51,137.10

Finding the Fourth Proportional to 161,945.10, 242,917.65 and 51,137.10

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Solution

The fourth proportional to 161,945.10, 242,917.65 and 51,137.10 is: 76,705.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,945.10 : 242,917.65 = 51,137.10 : x
  2. Step 2: Convert to fraction form
    161,945.10/242,917.65 = 51,137.10/x
  3. Step 3: Cross multiply
    161,945.10x = 242,917.65 × 51,137.10
  4. Step 4: Simplify right side
    161,945.10x = 12,422,104,159.82
  5. Step 5: Solve for x
    x = 12,422,104,159.82/161,945.10
  6. Step 6: Final answer
    x = 76,705.65

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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.