Home / 102,072.28-140,819.46-59,043.88

Finding the Fourth Proportional to 102,072.28, 140,819.46 and 59,043.88

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Solution

The fourth proportional to 102,072.28, 140,819.46 and 59,043.88 is: 81,457.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,072.28 : 140,819.46 = 59,043.88 : x
  2. Step 2: Convert to fraction form
    102,072.28/140,819.46 = 59,043.88/x
  3. Step 3: Cross multiply
    102,072.28x = 140,819.46 × 59,043.88
  4. Step 4: Simplify right side
    102,072.28x = 8,314,527,297.90
  5. Step 5: Solve for x
    x = 8,314,527,297.90/102,072.28
  6. Step 6: Final answer
    x = 81,457.25

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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.