Home / 168,813.60-232,988.04-105,171.90

Finding the Fourth Proportional to 168,813.60, 232,988.04 and 105,171.90

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Solution

The fourth proportional to 168,813.60, 232,988.04 and 105,171.90 is: 145,152.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,813.60 : 232,988.04 = 105,171.90 : x
  2. Step 2: Convert to fraction form
    168,813.60/232,988.04 = 105,171.90/x
  3. Step 3: Cross multiply
    168,813.60x = 232,988.04 × 105,171.90
  4. Step 4: Simplify right side
    168,813.60x = 24,503,794,844.08
  5. Step 5: Solve for x
    x = 24,503,794,844.08/168,813.60
  6. Step 6: Final answer
    x = 145,152.97

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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.