Home / 165,957.12-229,018.32-90,504

Finding the Fourth Proportional to 165,957.12, 229,018.32 and 90,504

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Solution

The fourth proportional to 165,957.12, 229,018.32 and 90,504 is: 124,894.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,957.12 : 229,018.32 = 90,504 : x
  2. Step 2: Convert to fraction form
    165,957.12/229,018.32 = 90,504/x
  3. Step 3: Cross multiply
    165,957.12x = 229,018.32 × 90,504
  4. Step 4: Simplify right side
    165,957.12x = 20,727,074,033.28
  5. Step 5: Solve for x
    x = 20,727,074,033.28/165,957.12
  6. Step 6: Final answer
    x = 124,894.15

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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.