Home / 144,208.10-199,006.00-79,677.13

Finding the Fourth Proportional to 144,208.10, 199,006.00 and 79,677.13

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Solution

The fourth proportional to 144,208.10, 199,006.00 and 79,677.13 is: 109,953.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,208.10 : 199,006.00 = 79,677.13 : x
  2. Step 2: Convert to fraction form
    144,208.10/199,006.00 = 79,677.13/x
  3. Step 3: Cross multiply
    144,208.10x = 199,006.00 × 79,677.13
  4. Step 4: Simplify right side
    144,208.10x = 15,856,225,539.36
  5. Step 5: Solve for x
    x = 15,856,225,539.36/144,208.10
  6. Step 6: Final answer
    x = 109,953.78

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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.