Home / 160,026.90-220,833.91-88,405.08

Finding the Fourth Proportional to 160,026.90, 220,833.91 and 88,405.08

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Solution

The fourth proportional to 160,026.90, 220,833.91 and 88,405.08 is: 121,997.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,026.90 : 220,833.91 = 88,405.08 : x
  2. Step 2: Convert to fraction form
    160,026.90/220,833.91 = 88,405.08/x
  3. Step 3: Cross multiply
    160,026.90x = 220,833.91 × 88,405.08
  4. Step 4: Simplify right side
    160,026.90x = 19,522,839,480.26
  5. Step 5: Solve for x
    x = 19,522,839,480.26/160,026.90
  6. Step 6: Final answer
    x = 121,997.24

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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.