Home / 119,841.10-165,374.28-66,115.60

Finding the Fourth Proportional to 119,841.10, 165,374.28 and 66,115.60

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Solution

The fourth proportional to 119,841.10, 165,374.28 and 66,115.60 is: 91,235.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,841.10 : 165,374.28 = 66,115.60 : x
  2. Step 2: Convert to fraction form
    119,841.10/165,374.28 = 66,115.60/x
  3. Step 3: Cross multiply
    119,841.10x = 165,374.28 × 66,115.60
  4. Step 4: Simplify right side
    119,841.10x = 10,933,820,325.49
  5. Step 5: Solve for x
    x = 10,933,820,325.49/119,841.10
  6. Step 6: Final answer
    x = 91,235.98

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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.