Home / 146,474.69-219,712.03-138,995.15

Finding the Fourth Proportional to 146,474.69, 219,712.03 and 138,995.15

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Solution

The fourth proportional to 146,474.69, 219,712.03 and 138,995.15 is: 208,492.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,474.69 : 219,712.03 = 138,995.15 : x
  2. Step 2: Convert to fraction form
    146,474.69/219,712.03 = 138,995.15/x
  3. Step 3: Cross multiply
    146,474.69x = 219,712.03 × 138,995.15
  4. Step 4: Simplify right side
    146,474.69x = 30,538,905,120.61
  5. Step 5: Solve for x
    x = 30,538,905,120.61/146,474.69
  6. Step 6: Final answer
    x = 208,492.72

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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.