Home / 161,042.48-241,644-72,359.36

Finding the Fourth Proportional to 161,042.48, 241,644 and 72,359.36

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Solution

The fourth proportional to 161,042.48, 241,644 and 72,359.36 is: 108,575.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,042.48 : 241,644 = 72,359.36 : x
  2. Step 2: Convert to fraction form
    161,042.48/241,644 = 72,359.36/x
  3. Step 3: Cross multiply
    161,042.48x = 241,644 × 72,359.36
  4. Step 4: Simplify right side
    161,042.48x = 17,485,205,187.84
  5. Step 5: Solve for x
    x = 17,485,205,187.84/161,042.48
  6. Step 6: Final answer
    x = 108,575.11

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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.