Home / 108,771.36-163,137.58-69,210.96

Finding the Fourth Proportional to 108,771.36, 163,137.58 and 69,210.96

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Solution

The fourth proportional to 108,771.36, 163,137.58 and 69,210.96 is: 103,804.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,771.36 : 163,137.58 = 69,210.96 : x
  2. Step 2: Convert to fraction form
    108,771.36/163,137.58 = 69,210.96/x
  3. Step 3: Cross multiply
    108,771.36x = 163,137.58 × 69,210.96
  4. Step 4: Simplify right side
    108,771.36x = 11,290,908,350.85
  5. Step 5: Solve for x
    x = 11,290,908,350.85/108,771.36
  6. Step 6: Final answer
    x = 103,804.06

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1.5x scale

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.