Home / 140,664.88-194,117.84-77,006.64

Finding the Fourth Proportional to 140,664.88, 194,117.84 and 77,006.64

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Solution

The fourth proportional to 140,664.88, 194,117.84 and 77,006.64 is: 106,269.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,664.88 : 194,117.84 = 77,006.64 : x
  2. Step 2: Convert to fraction form
    140,664.88/194,117.84 = 77,006.64/x
  3. Step 3: Cross multiply
    140,664.88x = 194,117.84 × 77,006.64
  4. Step 4: Simplify right side
    140,664.88x = 14,948,362,622.46
  5. Step 5: Solve for x
    x = 14,948,362,622.46/140,664.88
  6. Step 6: Final answer
    x = 106,269.33

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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.