Home / 145,838.82-219,546.06-131,174.58

Finding the Fourth Proportional to 145,838.82, 219,546.06 and 131,174.58

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Solution

The fourth proportional to 145,838.82, 219,546.06 and 131,174.58 is: 197,470.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,838.82 : 219,546.06 = 131,174.58 : x
  2. Step 2: Convert to fraction form
    145,838.82/219,546.06 = 131,174.58/x
  3. Step 3: Cross multiply
    145,838.82x = 219,546.06 × 131,174.58
  4. Step 4: Simplify right side
    145,838.82x = 28,798,862,211.15
  5. Step 5: Solve for x
    x = 28,798,862,211.15/145,838.82
  6. Step 6: Final answer
    x = 197,470.48

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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.