Home / 132,539.48-198,933.78-69,404.91

Finding the Fourth Proportional to 132,539.48, 198,933.78 and 69,404.91

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Solution

The fourth proportional to 132,539.48, 198,933.78 and 69,404.91 is: 104,172.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,539.48 : 198,933.78 = 69,404.91 : x
  2. Step 2: Convert to fraction form
    132,539.48/198,933.78 = 69,404.91/x
  3. Step 3: Cross multiply
    132,539.48x = 198,933.78 × 69,404.91
  4. Step 4: Simplify right side
    132,539.48x = 13,806,980,749.84
  5. Step 5: Solve for x
    x = 13,806,980,749.84/132,539.48
  6. Step 6: Final answer
    x = 104,172.59

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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.