Home / 119,107.60-178,537.08-40,194.64

Finding the Fourth Proportional to 119,107.60, 178,537.08 and 40,194.64

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Solution

The fourth proportional to 119,107.60, 178,537.08 and 40,194.64 is: 60,250.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,107.60 : 178,537.08 = 40,194.64 : x
  2. Step 2: Convert to fraction form
    119,107.60/178,537.08 = 40,194.64/x
  3. Step 3: Cross multiply
    119,107.60x = 178,537.08 × 40,194.64
  4. Step 4: Simplify right side
    119,107.60x = 7,176,233,657.25
  5. Step 5: Solve for x
    x = 7,176,233,657.25/119,107.60
  6. Step 6: Final answer
    x = 60,250.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.