Home / 108,790.50-163,435.91-77,277.18

Finding the Fourth Proportional to 108,790.50, 163,435.91 and 77,277.18

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Solution

The fourth proportional to 108,790.50, 163,435.91 and 77,277.18 is: 116,093.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,790.50 : 163,435.91 = 77,277.18 : x
  2. Step 2: Convert to fraction form
    108,790.50/163,435.91 = 77,277.18/x
  3. Step 3: Cross multiply
    108,790.50x = 163,435.91 × 77,277.18
  4. Step 4: Simplify right side
    108,790.50x = 12,629,865,849.15
  5. Step 5: Solve for x
    x = 12,629,865,849.15/108,790.50
  6. Step 6: Final answer
    x = 116,093.46

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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.