Home / 140,674.24-194,133.87-77,011.84

Finding the Fourth Proportional to 140,674.24, 194,133.87 and 77,011.84

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Solution

The fourth proportional to 140,674.24, 194,133.87 and 77,011.84 is: 106,278.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,674.24 : 194,133.87 = 77,011.84 : x
  2. Step 2: Convert to fraction form
    140,674.24/194,133.87 = 77,011.84/x
  3. Step 3: Cross multiply
    140,674.24x = 194,133.87 × 77,011.84
  4. Step 4: Simplify right side
    140,674.24x = 14,950,606,535.02
  5. Step 5: Solve for x
    x = 14,950,606,535.02/140,674.24
  6. Step 6: Final answer
    x = 106,278.21

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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.