Home / 161,663.10-242,494.63-49,343.89

Finding the Fourth Proportional to 161,663.10, 242,494.63 and 49,343.89

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Solution

The fourth proportional to 161,663.10, 242,494.63 and 49,343.89 is: 74,015.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,663.10 : 242,494.63 = 49,343.89 : x
  2. Step 2: Convert to fraction form
    161,663.10/242,494.63 = 49,343.89/x
  3. Step 3: Cross multiply
    161,663.10x = 242,494.63 × 49,343.89
  4. Step 4: Simplify right side
    161,663.10x = 11,965,628,348.31
  5. Step 5: Solve for x
    x = 11,965,628,348.31/161,663.10
  6. Step 6: Final answer
    x = 74,015.83

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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.