Home / 98,235.46-135,558.48-57,940.03

Finding the Fourth Proportional to 98,235.46, 135,558.48 and 57,940.03

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Solution

The fourth proportional to 98,235.46, 135,558.48 and 57,940.03 is: 79,953.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,235.46 : 135,558.48 = 57,940.03 : x
  2. Step 2: Convert to fraction form
    98,235.46/135,558.48 = 57,940.03/x
  3. Step 3: Cross multiply
    98,235.46x = 135,558.48 × 57,940.03
  4. Step 4: Simplify right side
    98,235.46x = 7,854,262,397.95
  5. Step 5: Solve for x
    x = 7,854,262,397.95/98,235.46
  6. Step 6: Final answer
    x = 79,953.43

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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.