Home / 161,321.36-242,001.48-67,814.96

Finding the Fourth Proportional to 161,321.36, 242,001.48 and 67,814.96

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Solution

The fourth proportional to 161,321.36, 242,001.48 and 67,814.96 is: 101,730.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,321.36 : 242,001.48 = 67,814.96 : x
  2. Step 2: Convert to fraction form
    161,321.36/242,001.48 = 67,814.96/x
  3. Step 3: Cross multiply
    161,321.36x = 242,001.48 × 67,814.96
  4. Step 4: Simplify right side
    161,321.36x = 16,411,320,686.14
  5. Step 5: Solve for x
    x = 16,411,320,686.14/161,321.36
  6. Step 6: Final answer
    x = 101,730.61

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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.