Home / 84,117.31-126,066.96-34,170.16

Finding the Fourth Proportional to 84,117.31, 126,066.96 and 34,170.16

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Solution

The fourth proportional to 84,117.31, 126,066.96 and 34,170.16 is: 51,210.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,117.31 : 126,066.96 = 34,170.16 : x
  2. Step 2: Convert to fraction form
    84,117.31/126,066.96 = 34,170.16/x
  3. Step 3: Cross multiply
    84,117.31x = 126,066.96 × 34,170.16
  4. Step 4: Simplify right side
    84,117.31x = 4,307,727,563.58
  5. Step 5: Solve for x
    x = 4,307,727,563.58/84,117.31
  6. Step 6: Final answer
    x = 51,210.96

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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.