Home / 119,899.83-165,461.79-66,184.86

Finding the Fourth Proportional to 119,899.83, 165,461.79 and 66,184.86

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Solution

The fourth proportional to 119,899.83, 165,461.79 and 66,184.86 is: 91,335.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,899.83 : 165,461.79 = 66,184.86 : x
  2. Step 2: Convert to fraction form
    119,899.83/165,461.79 = 66,184.86/x
  3. Step 3: Cross multiply
    119,899.83x = 165,461.79 × 66,184.86
  4. Step 4: Simplify right side
    119,899.83x = 10,951,065,406.50
  5. Step 5: Solve for x
    x = 10,951,065,406.50/119,899.83
  6. Step 6: Final answer
    x = 91,335.12

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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.