Home / 119,929.01-165,508.52-66,213.86

Finding the Fourth Proportional to 119,929.01, 165,508.52 and 66,213.86

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Solution

The fourth proportional to 119,929.01, 165,508.52 and 66,213.86 is: 91,378.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,929.01 : 165,508.52 = 66,213.86 : x
  2. Step 2: Convert to fraction form
    119,929.01/165,508.52 = 66,213.86/x
  3. Step 3: Cross multiply
    119,929.01x = 165,508.52 × 66,213.86
  4. Step 4: Simplify right side
    119,929.01x = 10,958,956,813.48
  5. Step 5: Solve for x
    x = 10,958,956,813.48/119,929.01
  6. Step 6: Final answer
    x = 91,378.70

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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.