Home / 102,049.44-140,828.10-56,725.98

Finding the Fourth Proportional to 102,049.44, 140,828.10 and 56,725.98

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Solution

The fourth proportional to 102,049.44, 140,828.10 and 56,725.98 is: 78,281.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,049.44 : 140,828.10 = 56,725.98 : x
  2. Step 2: Convert to fraction form
    102,049.44/140,828.10 = 56,725.98/x
  3. Step 3: Cross multiply
    102,049.44x = 140,828.10 × 56,725.98
  4. Step 4: Simplify right side
    102,049.44x = 7,988,611,984.04
  5. Step 5: Solve for x
    x = 7,988,611,984.04/102,049.44
  6. Step 6: Final answer
    x = 78,281.78

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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.