Home / 103,748.80-143,171.46-58,426.60

Finding the Fourth Proportional to 103,748.80, 143,171.46 and 58,426.60

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Solution

The fourth proportional to 103,748.80, 143,171.46 and 58,426.60 is: 80,627.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,748.80 : 143,171.46 = 58,426.60 : x
  2. Step 2: Convert to fraction form
    103,748.80/143,171.46 = 58,426.60/x
  3. Step 3: Cross multiply
    103,748.80x = 143,171.46 × 58,426.60
  4. Step 4: Simplify right side
    103,748.80x = 8,365,021,624.84
  5. Step 5: Solve for x
    x = 8,365,021,624.84/103,748.80
  6. Step 6: Final answer
    x = 80,627.65

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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.