Home / 135,036.60-186,354.32-73,786.83

Finding the Fourth Proportional to 135,036.60, 186,354.32 and 73,786.83

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Solution

The fourth proportional to 135,036.60, 186,354.32 and 73,786.83 is: 101,827.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,036.60 : 186,354.32 = 73,786.83 : x
  2. Step 2: Convert to fraction form
    135,036.60/186,354.32 = 73,786.83/x
  3. Step 3: Cross multiply
    135,036.60x = 186,354.32 × 73,786.83
  4. Step 4: Simplify right side
    135,036.60x = 13,750,494,160.67
  5. Step 5: Solve for x
    x = 13,750,494,160.67/135,036.60
  6. Step 6: Final answer
    x = 101,827.91

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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.