Home / 140,795.10-194,286.06-77,132.34

Finding the Fourth Proportional to 140,795.10, 194,286.06 and 77,132.34

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Solution

The fourth proportional to 140,795.10, 194,286.06 and 77,132.34 is: 106,436.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,795.10 : 194,286.06 = 77,132.34 : x
  2. Step 2: Convert to fraction form
    140,795.10/194,286.06 = 77,132.34/x
  3. Step 3: Cross multiply
    140,795.10x = 194,286.06 × 77,132.34
  4. Step 4: Simplify right side
    140,795.10x = 14,985,738,437.18
  5. Step 5: Solve for x
    x = 14,985,738,437.18/140,795.10
  6. Step 6: Final answer
    x = 106,436.51

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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.