Home / 144,240.84-199,051.86-79,708.29

Finding the Fourth Proportional to 144,240.84, 199,051.86 and 79,708.29

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Solution

The fourth proportional to 144,240.84, 199,051.86 and 79,708.29 is: 109,997.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,240.84 : 199,051.86 = 79,708.29 : x
  2. Step 2: Convert to fraction form
    144,240.84/199,051.86 = 79,708.29/x
  3. Step 3: Cross multiply
    144,240.84x = 199,051.86 × 79,708.29
  4. Step 4: Simplify right side
    144,240.84x = 15,866,083,381.92
  5. Step 5: Solve for x
    x = 15,866,083,381.92/144,240.84
  6. Step 6: Final answer
    x = 109,997.16

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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.