Home / 144,834.77-199,868.96-79,422.68

Finding the Fourth Proportional to 144,834.77, 199,868.96 and 79,422.68

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Solution

The fourth proportional to 144,834.77, 199,868.96 and 79,422.68 is: 109,601.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,834.77 : 199,868.96 = 79,422.68 : x
  2. Step 2: Convert to fraction form
    144,834.77/199,868.96 = 79,422.68/x
  3. Step 3: Cross multiply
    144,834.77x = 199,868.96 × 79,422.68
  4. Step 4: Simplify right side
    144,834.77x = 15,874,127,055.55
  5. Step 5: Solve for x
    x = 15,874,127,055.55/144,834.77
  6. Step 6: Final answer
    x = 109,601.64

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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.