Home / 160,619.86-221,654.91-104,129.38

Finding the Fourth Proportional to 160,619.86, 221,654.91 and 104,129.38

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Solution

The fourth proportional to 160,619.86, 221,654.91 and 104,129.38 is: 143,698.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,619.86 : 221,654.91 = 104,129.38 : x
  2. Step 2: Convert to fraction form
    160,619.86/221,654.91 = 104,129.38/x
  3. Step 3: Cross multiply
    160,619.86x = 221,654.91 × 104,129.38
  4. Step 4: Simplify right side
    160,619.86x = 23,080,788,352.26
  5. Step 5: Solve for x
    x = 23,080,788,352.26/160,619.86
  6. Step 6: Final answer
    x = 143,698.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.