Home / 119,835.93-165,373.45-66,120.94

Finding the Fourth Proportional to 119,835.93, 165,373.45 and 66,120.94

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Solution

The fourth proportional to 119,835.93, 165,373.45 and 66,120.94 is: 91,246.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,835.93 : 165,373.45 = 66,120.94 : x
  2. Step 2: Convert to fraction form
    119,835.93/165,373.45 = 66,120.94/x
  3. Step 3: Cross multiply
    119,835.93x = 165,373.45 × 66,120.94
  4. Step 4: Simplify right side
    119,835.93x = 10,934,647,965.04
  5. Step 5: Solve for x
    x = 10,934,647,965.04/119,835.93
  6. Step 6: Final answer
    x = 91,246.82

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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.