Home / 84,017.82-126,026.74-69,167.18

Finding the Fourth Proportional to 84,017.82, 126,026.74 and 69,167.18

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Solution

The fourth proportional to 84,017.82, 126,026.74 and 69,167.18 is: 103,750.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,017.82 : 126,026.74 = 69,167.18 : x
  2. Step 2: Convert to fraction form
    84,017.82/126,026.74 = 69,167.18/x
  3. Step 3: Cross multiply
    84,017.82x = 126,026.74 × 69,167.18
  4. Step 4: Simplify right side
    84,017.82x = 8,716,914,210.39
  5. Step 5: Solve for x
    x = 8,716,914,210.39/84,017.82
  6. Step 6: Final answer
    x = 103,750.78

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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.