Home / 135,742.15-203,671.55-96,551.11

Finding the Fourth Proportional to 135,742.15, 203,671.55 and 96,551.11

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Solution

The fourth proportional to 135,742.15, 203,671.55 and 96,551.11 is: 144,868.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,742.15 : 203,671.55 = 96,551.11 : x
  2. Step 2: Convert to fraction form
    135,742.15/203,671.55 = 96,551.11/x
  3. Step 3: Cross multiply
    135,742.15x = 203,671.55 × 96,551.11
  4. Step 4: Simplify right side
    135,742.15x = 19,664,714,227.92
  5. Step 5: Solve for x
    x = 19,664,714,227.92/135,742.15
  6. Step 6: Final answer
    x = 144,868.15

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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.