Home / 141,190.52-211,504.55-103,319.57

Finding the Fourth Proportional to 141,190.52, 211,504.55 and 103,319.57

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Solution

The fourth proportional to 141,190.52, 211,504.55 and 103,319.57 is: 154,773.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,190.52 : 211,504.55 = 103,319.57 : x
  2. Step 2: Convert to fraction form
    141,190.52/211,504.55 = 103,319.57/x
  3. Step 3: Cross multiply
    141,190.52x = 211,504.55 × 103,319.57
  4. Step 4: Simplify right side
    141,190.52x = 21,852,559,171.21
  5. Step 5: Solve for x
    x = 21,852,559,171.21/141,190.52
  6. Step 6: Final answer
    x = 154,773.56

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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.