Home / 144,381.29-199,240.43-79,846.34

Finding the Fourth Proportional to 144,381.29, 199,240.43 and 79,846.34

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Solution

The fourth proportional to 144,381.29, 199,240.43 and 79,846.34 is: 110,184.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,381.29 : 199,240.43 = 79,846.34 : x
  2. Step 2: Convert to fraction form
    144,381.29/199,240.43 = 79,846.34/x
  3. Step 3: Cross multiply
    144,381.29x = 199,240.43 × 79,846.34
  4. Step 4: Simplify right side
    144,381.29x = 15,908,617,720.09
  5. Step 5: Solve for x
    x = 15,908,617,720.09/144,381.29
  6. Step 6: Final answer
    x = 110,184.76

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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.