Home / 140,901.30-194,452.84-77,239.26

Finding the Fourth Proportional to 140,901.30, 194,452.84 and 77,239.26

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Solution

The fourth proportional to 140,901.30, 194,452.84 and 77,239.26 is: 106,595.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,901.30 : 194,452.84 = 77,239.26 : x
  2. Step 2: Convert to fraction form
    140,901.30/194,452.84 = 77,239.26/x
  3. Step 3: Cross multiply
    140,901.30x = 194,452.84 × 77,239.26
  4. Step 4: Simplify right side
    140,901.30x = 15,019,393,466.50
  5. Step 5: Solve for x
    x = 15,019,393,466.50/140,901.30
  6. Step 6: Final answer
    x = 106,595.14

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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.