Home / 173,397.85-239,369.07-109,821.76

Finding the Fourth Proportional to 173,397.85, 239,369.07 and 109,821.76

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Solution

The fourth proportional to 173,397.85, 239,369.07 and 109,821.76 is: 151,604.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,397.85 : 239,369.07 = 109,821.76 : x
  2. Step 2: Convert to fraction form
    173,397.85/239,369.07 = 109,821.76/x
  3. Step 3: Cross multiply
    173,397.85x = 239,369.07 × 109,821.76
  4. Step 4: Simplify right side
    173,397.85x = 26,287,932,370.37
  5. Step 5: Solve for x
    x = 26,287,932,370.37/173,397.85
  6. Step 6: Final answer
    x = 151,604.72

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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.