Home / 146,475.81-219,713.72-138,996.27

Finding the Fourth Proportional to 146,475.81, 219,713.72 and 138,996.27

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Solution

The fourth proportional to 146,475.81, 219,713.72 and 138,996.27 is: 208,494.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,475.81 : 219,713.72 = 138,996.27 : x
  2. Step 2: Convert to fraction form
    146,475.81/219,713.72 = 138,996.27/x
  3. Step 3: Cross multiply
    146,475.81x = 219,713.72 × 138,996.27
  4. Step 4: Simplify right side
    146,475.81x = 30,539,386,852.84
  5. Step 5: Solve for x
    x = 30,539,386,852.84/146,475.81
  6. Step 6: Final answer
    x = 208,494.41

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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.