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Finding the Fourth Proportional to 104,182.74, 143,759.61 and 63,898.20

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Solution

The fourth proportional to 104,182.74, 143,759.61 and 63,898.20 is: 88,171.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,182.74 : 143,759.61 = 63,898.20 : x
  2. Step 2: Convert to fraction form
    104,182.74/143,759.61 = 63,898.20/x
  3. Step 3: Cross multiply
    104,182.74x = 143,759.61 × 63,898.20
  4. Step 4: Simplify right side
    104,182.74x = 9,185,980,311.70
  5. Step 5: Solve for x
    x = 9,185,980,311.70/104,182.74
  6. Step 6: Final answer
    x = 88,171.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.