Home / 98,290.26-135,503.15-83,121.93

Finding the Fourth Proportional to 98,290.26, 135,503.15 and 83,121.93

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Solution

The fourth proportional to 98,290.26, 135,503.15 and 83,121.93 is: 114,592.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,290.26 : 135,503.15 = 83,121.93 : x
  2. Step 2: Convert to fraction form
    98,290.26/135,503.15 = 83,121.93/x
  3. Step 3: Cross multiply
    98,290.26x = 135,503.15 × 83,121.93
  4. Step 4: Simplify right side
    98,290.26x = 11,263,282,933.47
  5. Step 5: Solve for x
    x = 11,263,282,933.47/98,290.26
  6. Step 6: Final answer
    x = 114,592.06

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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.