Home / 119,985.66-165,581.58-66,269.46

Finding the Fourth Proportional to 119,985.66, 165,581.58 and 66,269.46

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Solution

The fourth proportional to 119,985.66, 165,581.58 and 66,269.46 is: 91,452.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,985.66 : 165,581.58 = 66,269.46 : x
  2. Step 2: Convert to fraction form
    119,985.66/165,581.58 = 66,269.46/x
  3. Step 3: Cross multiply
    119,985.66x = 165,581.58 × 66,269.46
  4. Step 4: Simplify right side
    119,985.66x = 10,973,001,892.55
  5. Step 5: Solve for x
    x = 10,973,001,892.55/119,985.66
  6. Step 6: Final answer
    x = 91,452.61

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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.