Home / 136,373.03-188,133.85-79,759.43

Finding the Fourth Proportional to 136,373.03, 188,133.85 and 79,759.43

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Solution

The fourth proportional to 136,373.03, 188,133.85 and 79,759.43 is: 110,032.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,373.03 : 188,133.85 = 79,759.43 : x
  2. Step 2: Convert to fraction form
    136,373.03/188,133.85 = 79,759.43/x
  3. Step 3: Cross multiply
    136,373.03x = 188,133.85 × 79,759.43
  4. Step 4: Simplify right side
    136,373.03x = 15,005,448,639.71
  5. Step 5: Solve for x
    x = 15,005,448,639.71/136,373.03
  6. Step 6: Final answer
    x = 110,032.38

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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.