Home / 154,073.70-231,110.55-112,083.30

Finding the Fourth Proportional to 154,073.70, 231,110.55 and 112,083.30

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Solution

The fourth proportional to 154,073.70, 231,110.55 and 112,083.30 is: 168,124.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,073.70 : 231,110.55 = 112,083.30 : x
  2. Step 2: Convert to fraction form
    154,073.70/231,110.55 = 112,083.30/x
  3. Step 3: Cross multiply
    154,073.70x = 231,110.55 × 112,083.30
  4. Step 4: Simplify right side
    154,073.70x = 25,903,633,108.82
  5. Step 5: Solve for x
    x = 25,903,633,108.82/154,073.70
  6. Step 6: Final answer
    x = 168,124.95

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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.