Home / 109,725.12-164,440.80-94,872.96

Finding the Fourth Proportional to 109,725.12, 164,440.80 and 94,872.96

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Solution

The fourth proportional to 109,725.12, 164,440.80 and 94,872.96 is: 142,182.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,725.12 : 164,440.80 = 94,872.96 : x
  2. Step 2: Convert to fraction form
    109,725.12/164,440.80 = 94,872.96/x
  3. Step 3: Cross multiply
    109,725.12x = 164,440.80 × 94,872.96
  4. Step 4: Simplify right side
    109,725.12x = 15,600,985,440.77
  5. Step 5: Solve for x
    x = 15,600,985,440.77/109,725.12
  6. Step 6: Final answer
    x = 142,182.44

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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.