Home / 161,461.12-222,781.44-97,801.60

Finding the Fourth Proportional to 161,461.12, 222,781.44 and 97,801.60

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Solution

The fourth proportional to 161,461.12, 222,781.44 and 97,801.60 is: 134,945.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,461.12 : 222,781.44 = 97,801.60 : x
  2. Step 2: Convert to fraction form
    161,461.12/222,781.44 = 97,801.60/x
  3. Step 3: Cross multiply
    161,461.12x = 222,781.44 × 97,801.60
  4. Step 4: Simplify right side
    161,461.12x = 21,788,381,282.30
  5. Step 5: Solve for x
    x = 21,788,381,282.30/161,461.12
  6. Step 6: Final answer
    x = 134,945.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.