Home / 129,268.88-193,798.52-58,139.44

Finding the Fourth Proportional to 129,268.88, 193,798.52 and 58,139.44

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Solution

The fourth proportional to 129,268.88, 193,798.52 and 58,139.44 is: 87,162.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,268.88 : 193,798.52 = 58,139.44 : x
  2. Step 2: Convert to fraction form
    129,268.88/193,798.52 = 58,139.44/x
  3. Step 3: Cross multiply
    129,268.88x = 193,798.52 × 58,139.44
  4. Step 4: Simplify right side
    129,268.88x = 11,267,337,425.63
  5. Step 5: Solve for x
    x = 11,267,337,425.63/129,268.88
  6. Step 6: Final answer
    x = 87,162.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.