Home / 161,656.14-242,371.46-71,650.02

Finding the Fourth Proportional to 161,656.14, 242,371.46 and 71,650.02

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Solution

The fourth proportional to 161,656.14, 242,371.46 and 71,650.02 is: 107,425.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,656.14 : 242,371.46 = 71,650.02 : x
  2. Step 2: Convert to fraction form
    161,656.14/242,371.46 = 71,650.02/x
  3. Step 3: Cross multiply
    161,656.14x = 242,371.46 × 71,650.02
  4. Step 4: Simplify right side
    161,656.14x = 17,365,919,956.43
  5. Step 5: Solve for x
    x = 17,365,919,956.43/161,656.14
  6. Step 6: Final answer
    x = 107,425.06

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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.