Home / 119,841.61-165,374.97-66,116.11

Finding the Fourth Proportional to 119,841.61, 165,374.97 and 66,116.11

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Solution

The fourth proportional to 119,841.61, 165,374.97 and 66,116.11 is: 91,236.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,841.61 : 165,374.97 = 66,116.11 : x
  2. Step 2: Convert to fraction form
    119,841.61/165,374.97 = 66,116.11/x
  3. Step 3: Cross multiply
    119,841.61x = 165,374.97 × 66,116.11
  4. Step 4: Simplify right side
    119,841.61x = 10,933,948,880.89
  5. Step 5: Solve for x
    x = 10,933,948,880.89/119,841.61
  6. Step 6: Final answer
    x = 91,236.67

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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.