Home / 140,848.70-194,372.73-77,185.13

Finding the Fourth Proportional to 140,848.70, 194,372.73 and 77,185.13

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Solution

The fourth proportional to 140,848.70, 194,372.73 and 77,185.13 is: 106,516.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,848.70 : 194,372.73 = 77,185.13 : x
  2. Step 2: Convert to fraction form
    140,848.70/194,372.73 = 77,185.13/x
  3. Step 3: Cross multiply
    140,848.70x = 194,372.73 × 77,185.13
  4. Step 4: Simplify right side
    140,848.70x = 15,002,683,461.64
  5. Step 5: Solve for x
    x = 15,002,683,461.64/140,848.70
  6. Step 6: Final answer
    x = 106,516.31

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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.