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Finding the Fourth Proportional to 84,014.82, 126,022.23 and 69,164.18

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Solution

The fourth proportional to 84,014.82, 126,022.23 and 69,164.18 is: 103,746.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,014.82 : 126,022.23 = 69,164.18 : x
  2. Step 2: Convert to fraction form
    84,014.82/126,022.23 = 69,164.18/x
  3. Step 3: Cross multiply
    84,014.82x = 126,022.23 × 69,164.18
  4. Step 4: Simplify right side
    84,014.82x = 8,716,224,042.19
  5. Step 5: Solve for x
    x = 8,716,224,042.19/84,014.82
  6. Step 6: Final answer
    x = 103,746.27

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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.