Home / 99,788.26-137,707.98-55,076.26

Finding the Fourth Proportional to 99,788.26, 137,707.98 and 55,076.26

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Solution

The fourth proportional to 99,788.26, 137,707.98 and 55,076.26 is: 76,005.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,788.26 : 137,707.98 = 55,076.26 : x
  2. Step 2: Convert to fraction form
    99,788.26/137,707.98 = 55,076.26/x
  3. Step 3: Cross multiply
    99,788.26x = 137,707.98 × 55,076.26
  4. Step 4: Simplify right side
    99,788.26x = 7,584,440,510.55
  5. Step 5: Solve for x
    x = 7,584,440,510.55/99,788.26
  6. Step 6: Final answer
    x = 76,005.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.