Home / 140,799.80-194,307.18-77,137.64

Finding the Fourth Proportional to 140,799.80, 194,307.18 and 77,137.64

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Solution

The fourth proportional to 140,799.80, 194,307.18 and 77,137.64 is: 106,451.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,799.80 : 194,307.18 = 77,137.64 : x
  2. Step 2: Convert to fraction form
    140,799.80/194,307.18 = 77,137.64/x
  3. Step 3: Cross multiply
    140,799.80x = 194,307.18 × 77,137.64
  4. Step 4: Simplify right side
    140,799.80x = 14,988,397,300.26
  5. Step 5: Solve for x
    x = 14,988,397,300.26/140,799.80
  6. Step 6: Final answer
    x = 106,451.84

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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.