Home / 134,774.60-202,161.90-103,670.60

Finding the Fourth Proportional to 134,774.60, 202,161.90 and 103,670.60

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Solution

The fourth proportional to 134,774.60, 202,161.90 and 103,670.60 is: 155,505.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,774.60 : 202,161.90 = 103,670.60 : x
  2. Step 2: Convert to fraction form
    134,774.60/202,161.90 = 103,670.60/x
  3. Step 3: Cross multiply
    134,774.60x = 202,161.90 × 103,670.60
  4. Step 4: Simplify right side
    134,774.60x = 20,958,245,470.14
  5. Step 5: Solve for x
    x = 20,958,245,470.14/134,774.60
  6. Step 6: Final answer
    x = 155,505.90

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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.