Home / 98,389.40-135,764.91-55,948.85

Finding the Fourth Proportional to 98,389.40, 135,764.91 and 55,948.85

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Solution

The fourth proportional to 98,389.40, 135,764.91 and 55,948.85 is: 77,202.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,389.40 : 135,764.91 = 55,948.85 : x
  2. Step 2: Convert to fraction form
    98,389.40/135,764.91 = 55,948.85/x
  3. Step 3: Cross multiply
    98,389.40x = 135,764.91 × 55,948.85
  4. Step 4: Simplify right side
    98,389.40x = 7,595,889,906.03
  5. Step 5: Solve for x
    x = 7,595,889,906.03/98,389.40
  6. Step 6: Final answer
    x = 77,202.32

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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.