Home / 119,742.98-165,246.46-66,029.90

Finding the Fourth Proportional to 119,742.98, 165,246.46 and 66,029.90

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Solution

The fourth proportional to 119,742.98, 165,246.46 and 66,029.90 is: 91,121.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,742.98 : 165,246.46 = 66,029.90 : x
  2. Step 2: Convert to fraction form
    119,742.98/165,246.46 = 66,029.90/x
  3. Step 3: Cross multiply
    119,742.98x = 165,246.46 × 66,029.90
  4. Step 4: Simplify right side
    119,742.98x = 10,911,206,237.85
  5. Step 5: Solve for x
    x = 10,911,206,237.85/119,742.98
  6. Step 6: Final answer
    x = 91,121.89

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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.