Home / 108,930.88-163,536.25-83,986.77

Finding the Fourth Proportional to 108,930.88, 163,536.25 and 83,986.77

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Solution

The fourth proportional to 108,930.88, 163,536.25 and 83,986.77 is: 126,088.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,930.88 : 163,536.25 = 83,986.77 : x
  2. Step 2: Convert to fraction form
    108,930.88/163,536.25 = 83,986.77/x
  3. Step 3: Cross multiply
    108,930.88x = 163,536.25 × 83,986.77
  4. Step 4: Simplify right side
    108,930.88x = 13,734,881,415.41
  5. Step 5: Solve for x
    x = 13,734,881,415.41/108,930.88
  6. Step 6: Final answer
    x = 126,088.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.