Home / 145,835.29-219,540.82-131,171.08

Finding the Fourth Proportional to 145,835.29, 219,540.82 and 131,171.08

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Solution

The fourth proportional to 145,835.29, 219,540.82 and 131,171.08 is: 197,465.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,835.29 : 219,540.82 = 131,171.08 : x
  2. Step 2: Convert to fraction form
    145,835.29/219,540.82 = 131,171.08/x
  3. Step 3: Cross multiply
    145,835.29x = 219,540.82 × 131,171.08
  4. Step 4: Simplify right side
    145,835.29x = 28,797,406,463.49
  5. Step 5: Solve for x
    x = 28,797,406,463.49/145,835.29
  6. Step 6: Final answer
    x = 197,465.28

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.