Home / 136,924.73-188,956.11-76,495.40

Finding the Fourth Proportional to 136,924.73, 188,956.11 and 76,495.40

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Solution

The fourth proportional to 136,924.73, 188,956.11 and 76,495.40 is: 105,563.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,924.73 : 188,956.11 = 76,495.40 : x
  2. Step 2: Convert to fraction form
    136,924.73/188,956.11 = 76,495.40/x
  3. Step 3: Cross multiply
    136,924.73x = 188,956.11 × 76,495.40
  4. Step 4: Simplify right side
    136,924.73x = 14,454,272,272.11
  5. Step 5: Solve for x
    x = 14,454,272,272.11/136,924.73
  6. Step 6: Final answer
    x = 105,563.63

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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.