Home / 136,372.03-188,132.47-79,758.43

Finding the Fourth Proportional to 136,372.03, 188,132.47 and 79,758.43

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Solution

The fourth proportional to 136,372.03, 188,132.47 and 79,758.43 is: 110,031.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,372.03 : 188,132.47 = 79,758.43 : x
  2. Step 2: Convert to fraction form
    136,372.03/188,132.47 = 79,758.43/x
  3. Step 3: Cross multiply
    136,372.03x = 188,132.47 × 79,758.43
  4. Step 4: Simplify right side
    136,372.03x = 15,005,150,439.22
  5. Step 5: Solve for x
    x = 15,005,150,439.22/136,372.03
  6. Step 6: Final answer
    x = 110,031.00

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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.