Home / 161,622.15-242,447.28-49,327.68

Finding the Fourth Proportional to 161,622.15, 242,447.28 and 49,327.68

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Solution

The fourth proportional to 161,622.15, 242,447.28 and 49,327.68 is: 73,995.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,622.15 : 242,447.28 = 49,327.68 : x
  2. Step 2: Convert to fraction form
    161,622.15/242,447.28 = 49,327.68/x
  3. Step 3: Cross multiply
    161,622.15x = 242,447.28 × 49,327.68
  4. Step 4: Simplify right side
    161,622.15x = 11,959,361,844.71
  5. Step 5: Solve for x
    x = 11,959,361,844.71/161,622.15
  6. Step 6: Final answer
    x = 73,995.81

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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.