Home / 119,678.12-165,149.04-65,962.96

Finding the Fourth Proportional to 119,678.12, 165,149.04 and 65,962.96

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Solution

The fourth proportional to 119,678.12, 165,149.04 and 65,962.96 is: 91,025.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,678.12 : 165,149.04 = 65,962.96 : x
  2. Step 2: Convert to fraction form
    119,678.12/165,149.04 = 65,962.96/x
  3. Step 3: Cross multiply
    119,678.12x = 165,149.04 × 65,962.96
  4. Step 4: Simplify right side
    119,678.12x = 10,893,719,519.56
  5. Step 5: Solve for x
    x = 10,893,719,519.56/119,678.12
  6. Step 6: Final answer
    x = 91,025.16

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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.