Home / 140,689.58-194,151.60-77,027.36

Finding the Fourth Proportional to 140,689.58, 194,151.60 and 77,027.36

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Solution

The fourth proportional to 140,689.58, 194,151.60 and 77,027.36 is: 106,297.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,689.58 : 194,151.60 = 77,027.36 : x
  2. Step 2: Convert to fraction form
    140,689.58/194,151.60 = 77,027.36/x
  3. Step 3: Cross multiply
    140,689.58x = 194,151.60 × 77,027.36
  4. Step 4: Simplify right side
    140,689.58x = 14,954,984,217.02
  5. Step 5: Solve for x
    x = 14,954,984,217.02/140,689.58
  6. Step 6: Final answer
    x = 106,297.74

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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.