Home / 140,903.61-194,442.96-80,473.01

Finding the Fourth Proportional to 140,903.61, 194,442.96 and 80,473.01

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Solution

The fourth proportional to 140,903.61, 194,442.96 and 80,473.01 is: 111,050.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,903.61 : 194,442.96 = 80,473.01 : x
  2. Step 2: Convert to fraction form
    140,903.61/194,442.96 = 80,473.01/x
  3. Step 3: Cross multiply
    140,903.61x = 194,442.96 × 80,473.01
  4. Step 4: Simplify right side
    140,903.61x = 15,647,409,292.29
  5. Step 5: Solve for x
    x = 15,647,409,292.29/140,903.61
  6. Step 6: Final answer
    x = 111,050.45

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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.