Home / 159,176.46-219,662.47-90,279.04

Finding the Fourth Proportional to 159,176.46, 219,662.47 and 90,279.04

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Solution

The fourth proportional to 159,176.46, 219,662.47 and 90,279.04 is: 124,584.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,176.46 : 219,662.47 = 90,279.04 : x
  2. Step 2: Convert to fraction form
    159,176.46/219,662.47 = 90,279.04/x
  3. Step 3: Cross multiply
    159,176.46x = 219,662.47 × 90,279.04
  4. Step 4: Simplify right side
    159,176.46x = 19,830,917,036.39
  5. Step 5: Solve for x
    x = 19,830,917,036.39/159,176.46
  6. Step 6: Final answer
    x = 124,584.48

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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.