Home / 134,601.15-185,736.89-79,401.86

Finding the Fourth Proportional to 134,601.15, 185,736.89 and 79,401.86

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Solution

The fourth proportional to 134,601.15, 185,736.89 and 79,401.86 is: 109,567.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,601.15 : 185,736.89 = 79,401.86 : x
  2. Step 2: Convert to fraction form
    134,601.15/185,736.89 = 79,401.86/x
  3. Step 3: Cross multiply
    134,601.15x = 185,736.89 × 79,401.86
  4. Step 4: Simplify right side
    134,601.15x = 14,747,854,536.62
  5. Step 5: Solve for x
    x = 14,747,854,536.62/134,601.15
  6. Step 6: Final answer
    x = 109,567.08

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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.