Home / 140,591.80-193,814.83-100,235.53

Finding the Fourth Proportional to 140,591.80, 193,814.83 and 100,235.53

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Solution

The fourth proportional to 140,591.80, 193,814.83 and 100,235.53 is: 138,181.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,591.80 : 193,814.83 = 100,235.53 : x
  2. Step 2: Convert to fraction form
    140,591.80/193,814.83 = 100,235.53/x
  3. Step 3: Cross multiply
    140,591.80x = 193,814.83 × 100,235.53
  4. Step 4: Simplify right side
    140,591.80x = 19,427,130,920.44
  5. Step 5: Solve for x
    x = 19,427,130,920.44/140,591.80
  6. Step 6: Final answer
    x = 138,181.11

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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.