Home / 98,744.47-136,270.87-55,734.43

Finding the Fourth Proportional to 98,744.47, 136,270.87 and 55,734.43

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Solution

The fourth proportional to 98,744.47, 136,270.87 and 55,734.43 is: 76,915.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,744.47 : 136,270.87 = 55,734.43 : x
  2. Step 2: Convert to fraction form
    98,744.47/136,270.87 = 55,734.43/x
  3. Step 3: Cross multiply
    98,744.47x = 136,270.87 × 55,734.43
  4. Step 4: Simplify right side
    98,744.47x = 7,594,979,675.40
  5. Step 5: Solve for x
    x = 7,594,979,675.40/98,744.47
  6. Step 6: Final answer
    x = 76,915.49

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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.