Home / 140,241.04-193,532.61-76,578.89

Finding the Fourth Proportional to 140,241.04, 193,532.61 and 76,578.89

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Solution

The fourth proportional to 140,241.04, 193,532.61 and 76,578.89 is: 105,678.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,241.04 : 193,532.61 = 76,578.89 : x
  2. Step 2: Convert to fraction form
    140,241.04/193,532.61 = 76,578.89/x
  3. Step 3: Cross multiply
    140,241.04x = 193,532.61 × 76,578.89
  4. Step 4: Simplify right side
    140,241.04x = 14,820,512,452.60
  5. Step 5: Solve for x
    x = 14,820,512,452.60/140,241.04
  6. Step 6: Final answer
    x = 105,678.86

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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.