Home / 159,066.41-219,512.16-91,084.46

Finding the Fourth Proportional to 159,066.41, 219,512.16 and 91,084.46

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Solution

The fourth proportional to 159,066.41, 219,512.16 and 91,084.46 is: 125,696.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,066.41 : 219,512.16 = 91,084.46 : x
  2. Step 2: Convert to fraction form
    159,066.41/219,512.16 = 91,084.46/x
  3. Step 3: Cross multiply
    159,066.41x = 219,512.16 × 91,084.46
  4. Step 4: Simplify right side
    159,066.41x = 19,994,145,459.47
  5. Step 5: Solve for x
    x = 19,994,145,459.47/159,066.41
  6. Step 6: Final answer
    x = 125,696.85

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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.